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PatchSiren cyber security CVE debrief

CVE-2022-47069 Siemens CVE debrief

Siemens, via CISA advisory ICSA-25-044-09, reported that multiple SCALANCE W700 wireless products are affected by CVE-2022-47069, a heap-buffer-overflow in p7zip 16.02 ZIP processing. The advisory was published on 2025-02-11 and revised on 2025-05-06 for typo fixes only. Siemens recommends updating affected products to V3.0.0 or later.

Vendor
Siemens
Product
SCALANCE WAB762-1 (6GK5762-1AJ00-6AA0)
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2025-02-11
Original CVE updated
2025-05-06
Advisory published
2025-02-11
Advisory updated
2025-05-06

Who should care

OT/ICS teams operating Siemens SCALANCE WAB/WAM/WUB/WUM wireless devices, plus patch and asset-management teams responsible for archive-processing or firmware-update workflows in industrial environments.

Technical summary

The CVE description ties the issue to p7zip 16.02 and the function NArchive::NZip::CInArchive::FindCd(bool) in CPP/7zip/Archive/Zip/ZipIn.cpp, where a heap-buffer-overflow can occur while processing ZIP archives. Siemens' advisory maps the risk to 19 SCALANCE W700 product variants. The provided CVSS v3.1 vector (AV:L, AC:L, PR:N, UI:R, S:U, C:H, I:H, A:H) indicates local access and user interaction are required, but successful exploitation could have high confidentiality, integrity, and availability impact.

Defensive priority

High. The score is 7.8, the affected product set spans 19 Siemens SCALANCE variants, and a vendor fix is available. In OT environments, prioritize validation and planned maintenance because patching may require operational coordination.

Recommended defensive actions

  • Inventory all listed affected SCALANCE models and confirm installed versions against Siemens guidance.
  • Update to V3.0.0 or later as recommended by Siemens.
  • Use approved OT change windows and validate rollback/backout plans before deployment.
  • Reduce exposure of device-management hosts and archive-processing workflows; apply segmentation and defense-in-depth controls from CISA guidance.
  • Monitor Siemens/CISA advisory updates and verify no site-specific exceptions remain open.

Evidence notes

Primary evidence comes from the CISA CSAF advisory ICSA-25-044-09 and Siemens security advisory SSA-769027. The source lists 19 affected SCALANCE product variants, a remediation of 'Update to V3.0.0 or later version,' and the CVSS v3.1 vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The advisory revision history shows the 2025-05-06 update fixed typos only. No KEV entry or known ransomware campaign use was provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-47069 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-47069

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2022-47069 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2022-47069

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-044-09.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-769027.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-769027.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-044-09

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.