CVE-2022-45937

mediumpriority · track · 26EPSS 0.007 · 51 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.65% (51st) EPSS

CVSS 6.5 · medium

Is it mine?

33 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-23

A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.20), APOGEE PXC Modular (BACnet) (All versions < V3.5.5), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). A low privilege authenticated attacker with network access to the integrated web server could download sensitive information from the device containing user account credentials.

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 V3.5.5 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Compact (P2 Ethernet)siemens_psirt
Update to V2.8.20 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Modular (BACnet)siemens_psirt
Update to V3.5.5 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Modular (P2 Ethernet)siemens_psirt
Update to V2.8.20 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedTALON TC Compact (BACnet)siemens_psirt
Update to V3.5.5 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedTALON TC Modular (BACnet)siemens_psirt
Update to V3.5.5 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Compact (BACnet)cisa_csaf_ot
Update to V3.5.5 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Compact (P2 Ethernet)cisa_csaf_ot
Update to V2.8.20 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Modular (BACnet)cisa_csaf_ot
Update to V3.5.5 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedAPOGEE PXC Modular (P2 Ethernet)cisa_csaf_ot
Update to V2.8.20 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedTALON TC Compact (BACnet)cisa_csaf_ot
Update to V3.5.5 or later version
https://partnerportal.extranet.dc.siemens.com/
FixedTALON TC Modular (BACnet)cisa_csaf_ot
Update to V3.5.5 or later version
https://partnerportal.extranet.dc.siemens.com/

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–8.8

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · productcert@siemens.com DEexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284USCWE-284US

affected products (33)

Products and version ranges known to be affected.

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
TALON TC Compact (BACnet)all versionscisa_csaf_otUS
TALON TC Modular (BACnet)all versionscisa_csaf_otUS
Siemens APOGEE PXC Compact (BACnet)< V3.5.5cisa_csaf_otUS
Siemens APOGEE PXC Compact (P2 Ethernet)< V2.8.20cisa_csaf_otUS
Siemens APOGEE PXC Modular (BACnet)< V3.5.5cisa_csaf_otUS
Siemens APOGEE PXC Modular (P2 Ethernet)< V2.8.20cisa_csaf_otUS
Siemens TALON TC Compact (BACnet)< V3.5.5cisa_csaf_otUS
Siemens TALON TC Modular (BACnet)< V3.5.5cisa_csaf_otUS
Siemens APOGEE PXC Compact (BACnet)All versions → V3.5.5enisa_euvdEU
Siemens APOGEE PXC Compact (P2 Ethernet)All versions → V2.8.20enisa_euvdEU
Siemens APOGEE PXC Modular (BACnet)All versions → V3.5.5enisa_euvdEU
Siemens APOGEE PXC Modular (P2 Ethernet)All versions → V2.8.20enisa_euvdEU
Siemens TALON TC Compact (BACnet)All versions → V3.5.5enisa_euvdEU
Siemens TALON TC Modular (BACnet)All versions → V3.5.5enisa_euvdEU
siemens pxc00-e96.a firmware< 3.5.5nvdUScpe:2.3:o:siemens:pxc00-e96.a_firmware:*:*:*:*:*:*:*:*
siemens pxc100-e96.a firmware< 3.5.5nvdUScpe:2.3:o:siemens:pxc100-e96.a_firmware:*:*:*:*:*:*:*:*

showing 20 of 33

advisories (2)

Vendor and ecosystem advisories describing this.

SSA-180579SSA-180579: Privilege Management Vulnerability and Multiple Nucleus RTOS Vulnerabilities in APOGEE/TALON Field Panels before V3.5.5/V2.8.202022-12-13csaf · siemens_psirtDE
APOGEE PXC / TALON TC field panels (BACnet before V3.5.5 and P2 Ethernet before V2.8.20) contain multiple vulnerabilities: - CVE-2022-45937: A privilege management vulnerability that could allow low privilege authenticated attackers to gain high privilege access. - CVE-2020-28388: Predictable Initial Sequence Numbers in the TCP/IP Stack of Nucleus RTOS (real-time operating system) used by the affected products. - Several vulnerabilities in the DNS (domain name service) implementation of Nucleus RTOS. Siemens has released updates for the affected products and recommends to update to the latest versions.
ICSA-22-349-16Siemens APOGEE and TALON2022-12-13icsa · cisa_csaf_otUS
APOGEE PXC / TALON TC field panels (BACnet before V3.5.5 and P2 Ethernet before V2.8.20) contain multiple vulnerabilities: - CVE-2022-45937: A privilege management vulnerability that could allow low privilege authenticated attackers to gain high privilege access. - CVE-2020-28388: Predictable Initial Sequence Numbers in the TCP/IP Stack of Nucleus RTOS (real-time operating system) used by the affected products. - Several vulnerabilities in the DNS (domain name service) implementation of Nucleus RTOS. Siemens has released updates for the affected products and recommends to update to the latest versions.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd siemens_psirt NVD CVE.org MITRE

published 2022-12-13modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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