CVE-2022-43439 — A vulnerability has been identified in POWER METER SICAM Q100 (7KG9501-0AA01-0AA

A vulnerability has been identified in POWER METER SICAM Q100 (7KG9501-0AA01-0AA1) (All versions < V2.50), POWER METER SICAM Q100 (7KG9501-0AA01-2AA1) (All versions < V2.50), POWER METER SICAM Q100 (7KG9501-0AA31-0AA1) (All versions < V2.50), POWER METER SICAM Q100 (7KG9

01What is this vulnerability?

A vulnerability has been identified in POWER METER SICAM Q100 (7KG9501-0AA01-0AA1) (All versions < V2.50), POWER METER SICAM Q100 (7KG9501-0AA01-2AA1) (All versions < V2.50), POWER METER SICAM Q100 (7KG9501-0AA31-0AA1) (All versions < V2.50), POWER METER SICAM Q100 (7KG9501-0AA31-2AA1) (All versions < V2.50), SICAM P850 (7KG8500-0AA00-0AA0) (All versions < V3.10), SICAM P850 (7KG8500-0AA00-2AA0)…

02Affected products

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-11-08T00:00:00.000Z
• Last modified: 2025-12-09T10:44:06.193Z

09References

• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-572005.pdf
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-570294.pdf
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-887249.pdf
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-572005.html
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-570294.html
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-887249.html
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-471761.html