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TI-2026-18408 Aliases CVE-2026-22923GHSA-whvv-qq52-jc5c

Stack-based buffer overflow in Siemens NX

Priority LOW 33CWE-121Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Passive
Attack complexity
High
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A vulnerability has been identified in NX (All versions < V2512), NX (Managed Mode) (All versions < V2512). The affected application contains a data validation vulnerability that could allow an attacker with local access to interfere with internal data during the PDF export process that could potentially lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00153 4th percentileScored 2026-11-07
Fix Fixed NX (Siemens): V2512NX (Managed Mode) (Siemens): V2512

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensNXbefore V2512V2512Patch availableCNA
SiemensNX (Managed Mode)before V2512V2512Patch availableCNA
  • NX VendorSiemens Affected before V2512 Fixed in V2512 Patch available CNA
  • NX (Managed Mode) VendorSiemens Affected before V2512 Fixed in V2512 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:nx:*:*:*:*:*:*:*:*before 2512.0VulnerableSiemens
  • cpe:2.3:a:siemens:nx:*:*:*:*:*:*:*:* Versions before 2512.0 Vulnerable ·Siemens

Remediation

  • Fix · CNA NX (Siemens) Fixed in V2512
  • Fix · CNA NX (Managed Mode) (Siemens) Fixed in V2512

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22923
  2. 2026-10-03 Alias added: GHSA-whvv-qq52-jc5c

References

Advisory 1

  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-20393 Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack KEVCVSS 3.1CRITICAL 9.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences