CVE-2019-13939

mediumpriority · track · 19EPSS 0.007 · 54 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.71% (54th) EPSS

CVSS 4.8 · medium

Is it mine?

132 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

A vulnerability has been identified in APOGEE MEC/MBC/PXC (P2) (All versions < V2.8.2), APOGEE PXC Compact (BACnet) (All versions < V3.5.3), APOGEE PXC Compact (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.3), APOGEE PXC Modular (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Desigo PXC00-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC00-U (All versions >= V2.3x and < V6.00.327), Desigo PXC001-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC100-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC12-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC128-U (All versions >= V2.3x and < V6.00.327), Desigo PXC200-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC22-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC22.1-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC36.1-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC50-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC64-U (All versions >= V2.3x and < V6.00.327), Desigo PXM20-E (All versions >= V2.3 < V6.0.327), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus Source Code (All versions), SIMOTICS CONNECT 400 (All versions < V0.3.0.330), TALON TC Compact (BACnet) (All versions < V3.5.3), TALON TC Modular (BACnet) (All versions < V3.5.3). By sending specially crafted DHCP packets to a device where the DHCP client is enabled, an attacker could change the IP address of the device to an invalid value.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedAPOGEE PXC Compact (BACnet)siemens_psirt
Update to V3.5.3 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Compact (P2 Ethernet)siemens_psirt
Update to V2.8.19 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Modular (BACnet)siemens_psirt
Update to V3.5.3 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Modular (P2 Ethernet)siemens_psirt
Update to V2.8.19 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedDesigo PXC00-E.Dsiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC00-Usiemens_psirt
Update to V6.00.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC001-E.Dsiemens_psirt
Update to V6.00.327 or later version
FixedDesigo PXC100-E.Dsiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC12-E.Dsiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC128-Usiemens_psirt
Update to V6.00.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC200-E.Dsiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC22-E.Dsiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC22.1-E.Dsiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC36.1-E.Dsiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC50-E.Dsiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC64-Usiemens_psirt
Update to V6.00.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXM20-Esiemens_psirt
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedSIMOTICS CONNECT 400siemens_psirt
Update to V0.3.0.330 or later version
https://support.industry.siemens.com/cs/ww/en/view/109778383/
FixedTALON TC Compact (BACnet)siemens_psirt
Update to V3.5.3 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedTALON TC Modular (BACnet)siemens_psirt
Update to V3.5.3 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedCapital Embedded AR Classic R20-11siemens_psirt
Update to V2303 or later version
FixedNucleus ReadyStart V3siemens_psirt
Update to V2017.02.3 or later version
FixedNucleus Source Codesiemens_psirt
Contact customer support to receive patch and update information
FixedCapital Embedded AR Classic R20-11cisa_csaf_ot
Update to V2303 or later version
FixedNucleus ReadyStart V3cisa_csaf_ot
Update to V2017.02.3 or later version
FixedNucleus Source Codecisa_csaf_ot
Contact customer support to receive patch and update information
FixedAPOGEE PXC Compact (BACnet)cisa_csaf_ot
Update to V3.5.3 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Compact (P2 Ethernet)cisa_csaf_ot
Update to V2.8.19 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Modular (BACnet)cisa_csaf_ot
Update to V3.5.3 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Modular (P2 Ethernet)cisa_csaf_ot
Update to V2.8.19 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedDesigo PXC00-E.Dcisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC00-Ucisa_csaf_ot
Update to V6.00.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC001-E.Dcisa_csaf_ot
Update to V6.00.327 or later version
FixedDesigo PXC100-E.Dcisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC12-E.Dcisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC128-Ucisa_csaf_ot
Update to V6.00.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC200-E.Dcisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC22-E.Dcisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC22.1-E.Dcisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC36.1-E.Dcisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC50-E.Dcisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXC64-Ucisa_csaf_ot
Update to V6.00.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedDesigo PXM20-Ecisa_csaf_ot
Update to V6.0.327 or later version
https://support.industry.siemens.com/cs/ww/en/view/109791941/
FixedSIMOTICS CONNECT 400cisa_csaf_ot
Update to V0.3.0.330 or later version
https://support.industry.siemens.com/cs/ww/en/view/109778383/
FixedTALON TC Compact (BACnet)cisa_csaf_ot
Update to V3.5.3 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedTALON TC Modular (BACnet)cisa_csaf_ot
Update to V3.5.3 or later version
https://partnerportal.extranet.dc.siemens.com/
MitigationAPOGEE MEC/MBC/PXC (P2)siemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationAPOGEE PXC Compact (BACnet)siemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationAPOGEE PXC Compact (P2 Ethernet)siemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationAPOGEE PXC Modular (BACnet)siemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationAPOGEE PXC Modular (P2 Ethernet)siemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC00-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC00-Usiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC001-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC100-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC12-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC128-Usiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC200-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC22-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC22.1-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC36.1-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC50-E.Dsiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC64-Usiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXM20-Esiemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationSIMOTICS CONNECT 400siemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationTALON TC Compact (BACnet)siemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationTALON TC Modular (BACnet)siemens_psirt
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationCapital Embedded AR Classic 431-422siemens_psirt
Avoid using DHCP Client of Nucleus NET
MitigationCapital Embedded AR Classic R20-11siemens_psirt
Avoid using DHCP Client of Nucleus NET
MitigationNucleus NETsiemens_psirt
Avoid using DHCP Client of Nucleus NET
MitigationNucleus ReadyStart V3siemens_psirt
Avoid using DHCP Client of Nucleus NET
MitigationNucleus Source Codesiemens_psirt
Avoid using DHCP Client of Nucleus NET
MitigationCapital Embedded AR Classic 431-422cisa_csaf_ot
Avoid using DHCP Client of Nucleus NET
MitigationCapital Embedded AR Classic R20-11cisa_csaf_ot
Avoid using DHCP Client of Nucleus NET
MitigationNucleus NETcisa_csaf_ot
Avoid using DHCP Client of Nucleus NET
MitigationNucleus ReadyStart V3cisa_csaf_ot
Avoid using DHCP Client of Nucleus NET
MitigationNucleus Source Codecisa_csaf_ot
Avoid using DHCP Client of Nucleus NET
MitigationAPOGEE MEC/MBC/PXC (P2)cisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationAPOGEE PXC Compact (BACnet)cisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationAPOGEE PXC Compact (P2 Ethernet)cisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationAPOGEE PXC Modular (BACnet)cisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationAPOGEE PXC Modular (P2 Ethernet)cisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC00-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC00-Ucisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC001-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC100-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC12-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC128-Ucisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC200-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC22-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC22.1-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC36.1-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC50-E.Dcisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXC64-Ucisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationDesigo PXM20-Ecisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationSIMOTICS CONNECT 400cisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationTALON TC Compact (BACnet)cisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
MitigationTALON TC Modular (BACnet)cisa_csaf_ot
APOGEE MEC, MBC, PXC (versions prior to V2.8.2): Use static IP address configuration as described above
No fix plannedAPOGEE MEC/MBC/PXC (P2)siemens_psirt
Currently no fix is planned
No fix plannedCapital Embedded AR Classic 431-422siemens_psirt
Currently no fix is planned
No fix plannedNucleus NETsiemens_psirt
Currently no fix is planned
No fix plannedCapital Embedded AR Classic 431-422cisa_csaf_ot
Currently no fix is planned
No fix plannedNucleus NETcisa_csaf_ot
Currently no fix is planned
No fix plannedAPOGEE MEC/MBC/PXC (P2)cisa_csaf_ot
Currently no fix is planned

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.8–7.1

v2.04.8mediumAV:A/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 6.5 · impact 4.9

v3.17.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · productcert@siemens.com DEexploitability 2.8 · impact 4.2

v3.17.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · Siemens ProductCERT DE

v3.17.1highAV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · NVD / NIST USexploitability 2.8 · impact 4.2

v3.17.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · CISA US

v4.05mediumCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

v4.07.1highCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.07.1highCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · productcert@siemens.com DE

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20USCWE-20USCWE-20US

affected products (132)

Products and version ranges known to be affected.

APOGEE MEC/MBC/PXC (P2)all versionscisa_csaf_otUS
APOGEE PXC Compact (BACnet)all versionscisa_csaf_otUS
APOGEE PXC Compact (P2 Ethernet)all versionscisa_csaf_otUS
APOGEE PXC Modular (BACnet)all versionscisa_csaf_otUS
APOGEE PXC Modular (P2 Ethernet)all versionscisa_csaf_otUS
Desigo PXC00-E.Dall versionscisa_csaf_otUS
Desigo PXC00-Uall versionscisa_csaf_otUS
Desigo PXC001-E.Dall versionscisa_csaf_otUS
Desigo PXC100-E.Dall versionscisa_csaf_otUS
Desigo PXC12-E.Dall versionscisa_csaf_otUS
Desigo PXC128-Uall versionscisa_csaf_otUS
Desigo PXC200-E.Dall versionscisa_csaf_otUS
Desigo PXC22-E.Dall versionscisa_csaf_otUS
Desigo PXC22.1-E.Dall versionscisa_csaf_otUS
Desigo PXC36.1-E.Dall versionscisa_csaf_otUS
Desigo PXC50-E.Dall versionscisa_csaf_otUS
Desigo PXC64-Uall versionscisa_csaf_otUS
Desigo PXM20-Eall versionscisa_csaf_otUS
SIMOTICS CONNECT 400all versionscisa_csaf_otUS
TALON TC Compact (BACnet)all versionscisa_csaf_otUS

showing 20 of 132

advisories (4)

Vendor and ecosystem advisories describing this.

SSA-162506SSA-162506: DHCP Client Vulnerability in SIMOTICS CONNECT 400, Desigo PXC/PXM, APOGEE MEC/MBC/PXC, APOGEE PXC Series, and TALON TC Series2020-04-14csaf · siemens_psirtDE
SIMOTICS CONNECT 400, Desigo (Power PC-based), APOGEE MEC/MBC/PXC and TALON TC products are affected by a DHCP Client vulnerability as initially reported in SSA-434032 for the Mentor Nucleus Networking Module. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.
SSA-434032SSA-434032: Input Validation Vulnerability in the DHCP Client of Nucleus RTOS2019-11-12csaf · siemens_psirtDE
The DHCP implementation of the networking component (Nucleus NET) in Nucleus Real-Time Operating System (RTOS) contains a vulnerability that could allow an attacker to change the IP address of an affected device to an invalid value. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
ICSA-19-318-01Siemens Mentor Nucleus Networking Module2019-11-12icsa · cisa_csaf_otUS
The DHCP implementation of the networking component (Nucleus NET) in Nucleus Real-Time Operating System (RTOS) contains a vulnerability that could allow an attacker to change the IP address of an affected device to an invalid value. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
ICSA-20-105-06Siemens SIMOTICS, Desigo, APOGEE, and TALON2020-04-14icsa · cisa_csaf_otUS
SIMOTICS CONNECT 400, Desigo (Power PC-based), APOGEE MEC/MBC/PXC and TALON TC products are affected by a DHCP Client vulnerability as initially reported in SSA-434032 for the Mentor Nucleus Networking Module. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

published 2020-01-16modified 2026-06-17

references (22)

External citations — patches, advisories, analysis.

scry

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