CVE-2022-29884

highpriority · track · 30EPSS 0.013 · 70 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.29% (70th) EPSS

CVSS 7.1 · high

Is it mine?

19 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-21

A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions < CPC80 V16.30), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions < CPC80 V16.30), CP-8021 MASTER MODULE (All versions < CPC80 V16.30), CP-8022 MASTER MODULE WITH GPRS (All versions < CPC80 V16.30). When using the HTTPS server under specific conditions, affected devices do not properly free resources. This could allow an unauthenticated remote attacker to put the device into a denial of service condition.

remediations

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

A vendor fix is available.

FixedCP-8000 MASTER MODULE WITH I/O -25/+70°Csiemens_psirt
Update to CPC80 V16.30 or later version
https://support.industry.siemens.com/cs/ww/en/view/109811278/
FixedCP-8000 MASTER MODULE WITH I/O -40/+70°Csiemens_psirt
Update to CPC80 V16.30 or later version
https://support.industry.siemens.com/cs/ww/en/view/109811278/
FixedCP-8021 MASTER MODULEsiemens_psirt
Update to CPC80 V16.30 or later version
https://support.industry.siemens.com/cs/ww/en/view/109811278/
FixedCP-8022 MASTER MODULE WITH GPRSsiemens_psirt
Update to CPC80 V16.30 or later version
https://support.industry.siemens.com/cs/ww/en/view/109811278/
FixedCP-8000 MASTER MODULE WITH I/O -25/+70°Ccisa_csaf_ot
Update to CPC80 V16.30 or later version
https://support.industry.siemens.com/cs/ww/en/view/109811278/
FixedCP-8000 MASTER MODULE WITH I/O -40/+70°Ccisa_csaf_ot
Update to CPC80 V16.30 or later version
https://support.industry.siemens.com/cs/ww/en/view/109811278/
FixedCP-8021 MASTER MODULEcisa_csaf_ot
Update to CPC80 V16.30 or later version
https://support.industry.siemens.com/cs/ww/en/view/109811278/
FixedCP-8022 MASTER MODULE WITH GPRScisa_csaf_ot
Update to CPC80 V16.30 or later version
https://support.industry.siemens.com/cs/ww/en/view/109811278/
WorkaroundCP-8000 MASTER MODULE WITH I/O -25/+70°Csiemens_psirt
Limit access to port 443/tcp to trusted IP addresses
WorkaroundCP-8000 MASTER MODULE WITH I/O -40/+70°Csiemens_psirt
Limit access to port 443/tcp to trusted IP addresses
WorkaroundCP-8021 MASTER MODULEsiemens_psirt
Limit access to port 443/tcp to trusted IP addresses
WorkaroundCP-8022 MASTER MODULE WITH GPRSsiemens_psirt
Limit access to port 443/tcp to trusted IP addresses
WorkaroundCP-8000 MASTER MODULE WITH I/O -25/+70°Ccisa_csaf_ot
Limit access to port 443/tcp to trusted IP addresses
WorkaroundCP-8000 MASTER MODULE WITH I/O -40/+70°Ccisa_csaf_ot
Limit access to port 443/tcp to trusted IP addresses
WorkaroundCP-8021 MASTER MODULEcisa_csaf_ot
Limit access to port 443/tcp to trusted IP addresses
WorkaroundCP-8022 MASTER MODULE WITH GPRScisa_csaf_ot
Limit access to port 443/tcp to trusted IP addresses

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v2.07.1highAV:N/AC:M/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 6.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-772USprimaryCWE-772USCWE-772US

affected products (19)

Products and version ranges known to be affected.

CP-8000 MASTER MODULE WITH I/O -25/+70°Call versionscisa_csaf_otUS
CP-8000 MASTER MODULE WITH I/O -40/+70°Call versionscisa_csaf_otUS
CP-8021 MASTER MODULEall versionscisa_csaf_otUS
CP-8022 MASTER MODULE WITH GPRSall versionscisa_csaf_otUS
Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C< CPC80_V16.30cisa_csaf_otUS
Siemens CP-8000 MASTER MODULE WITH I/O -40/+70°C< CPC80_V16.30cisa_csaf_otUS
Siemens CP-8021 MASTER MODULE< CPC80_V16.30cisa_csaf_otUS
Siemens CP-8022 MASTER MODULE WITH GPRS< CPC80_V16.30cisa_csaf_otUS
Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°CAll versions → CPC80 V16.30enisa_euvdEU
Siemens CP-8000 MASTER MODULE WITH I/O -40/+70°CAll versions → CPC80 V16.30enisa_euvdEU
Siemens CP-8021 MASTER MODULEAll versions → CPC80 V16.30enisa_euvdEU
Siemens CP-8022 MASTER MODULE WITH GPRSAll versions → CPC80 V16.30enisa_euvdEU
siemens sicam a8000 cp-8000 firmware< 16.30nvdUScpe:2.3:o:siemens:sicam_a8000_cp-8000_firmware:*:*:*:*:*:*:*:*
siemens sicam a8000 cp-8021 firmware< 16.30nvdUScpe:2.3:o:siemens:sicam_a8000_cp-8021_firmware:*:*:*:*:*:*:*:*
siemens sicam a8000 cp-8022 firmware< 16.30nvdUScpe:2.3:o:siemens:sicam_a8000_cp-8022_firmware:*:*:*:*:*:*:*:*
Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C< CPC80 V16.30siemens_psirtDE
Siemens CP-8000 MASTER MODULE WITH I/O -40/+70°C< CPC80 V16.30siemens_psirtDE
Siemens CP-8021 MASTER MODULE< CPC80 V16.30siemens_psirtDE
Siemens CP-8022 MASTER MODULE WITH GPRS< CPC80 V16.30siemens_psirtDE

advisories (2)

Vendor and ecosystem advisories describing this.

SSA-491621SSA-491621: Denial of Service Vulnerability in CPC80 Firmware of SICAM A8000 Devices2022-07-12csaf · siemens_psirtDE
A vulnerability was identified in the CPC80 firmware of SICAM A8000 devices. It could allow an unauthenticated remote attacker to cause a permanent denial of service condition. Siemens has released updates for the affected products and recommends to update to the latest versions.
ICSA-22-195-14Siemens CPC80 Firmware of SICAM A80002022-07-12icsa · cisa_csaf_otUS
A vulnerability was identified in the CPC80 firmware of SICAM A8000 devices. It could allow an unauthenticated remote attacker to cause a permanent denial of service condition. 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 2022-07-12modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

scry

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