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PatchSiren cyber security CVE debrief

CVE-2023-6791 Siemens CVE debrief

A credential disclosure vulnerability in Palo Alto Networks PAN-OS software enables an authenticated read-only administrator to obtain the plaintext credentials of stored external system integrations such as LDAP, SCP, RADIUS, TACACS+, and SNMP from the web interface. The vulnerability was published on 2024-04-09 and last modified on 2024-12-10. The affected product is Siemens RUGGEDCOM APE1808, as identified in CISA CSAF advisory ICSA-24-102-03. The CVSS v3.1 score is 4.9 (MEDIUM severity), with a vector indicating network attack vector, low attack complexity, high privileges required, no user interaction, and high confidentiality impact. A vendor fix is available: upgrade to Palo Alto Networks Virtual NGFW V11.0.1 and contact Siemens customer support for patch and update information.

Vendor
Siemens
Product
RUGGEDCOM APE1808
CVSS
MEDIUM 4.9
CISA KEV
Not listed in stored evidence
Original CVE published
2024-04-09
Original CVE updated
2024-12-10
Advisory published
2024-04-09
Advisory updated
2024-12-10

Who should care

Organizations operating Siemens RUGGEDCOM APE1808 devices with Palo Alto Networks PAN-OS integrations, particularly those in industrial control system (ICS/OT) environments. Security teams responsible for firewall administration, identity management infrastructure, and OT network security should prioritize this vulnerability due to the potential for credential compromise leading to broader network access.

Technical summary

The vulnerability exists in Palo Alto Networks PAN-OS software, where an authenticated read-only administrator can retrieve plaintext credentials for external system integrations through the web interface. The affected integrations include LDAP, SCP, RADIUS, TACACS+, and SNMP. This represents an information disclosure weakness where insufficient access controls allow lower-privileged accounts to access sensitive credential material. The vulnerability is rated CVSS 4.9 (MEDIUM) with the primary risk being confidentiality breach of integration credentials, which could enable further lateral movement or privilege escalation in connected systems. The Siemens RUGGEDCOM APE1808 product is identified as affected based on CISA CSAF advisory cross-referencing.

Defensive priority

medium

Recommended defensive actions

  • Apply vendor-provided patch: upgrade to Palo Alto Networks Virtual NGFW V11.0.1 and contact Siemens customer support for patch and update information.
  • Review and rotate credentials for affected external system integrations (LDAP, SCP, RADIUS, TACACS+, SNMP).
  • Audit administrative access to ensure least-privilege principles are enforced.
  • Monitor for unauthorized credential access attempts in web interface logs.
  • Follow CISA ICS recommended practices for defense-in-depth strategies.

Evidence notes

CVE description and remediation details sourced from CISA CSAF advisory ICSA-24-102-03. Product attribution (Siemens RUGGEDCOM APE1808) derived from CSAF product tree with high confidence. CVSS vector and remediation instructions extracted from source item metadata.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-6791 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-6791

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

  • CVE-2023-6791 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-6791

    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/2024/icsa-24-102-03.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-822518.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-822518.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-102-03

    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.