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TI-2023-10103 Aliases CVE-2023-24482GHSA-jq98-78qg-f4vf

Buffer overflow in Siemens COMOS V10.2

Priority MEDIUM 50CWE-120Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

A vulnerability has been identified in COMOS V10.2 (All versions), COMOS V10.3.3.1 (All versions < V10.3.3.1.45), COMOS V10.3.3.2 (All versions < V10.3.3.2.33), COMOS V10.3.3.3 (All versions < V10.3.3.3.9), COMOS V10.3.3.4 (All versions < V10.3.3.4.6), COMOS V10.4.0.0 (All versions < V10.4.0.0.31), COMOS V10.4.1.0 (All versions < V10.4.1.0.32), COMOS V10.4.2.0 (All versions < V10.4.2.0.25). Cache validation service in COMOS is vulnerable to Structured Exception Handler (SEH) based buffer overflow. This could allow an attacker to execute arbitrary code on the target system or cause denial of service condition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00813 57th percentileScored 2026-11-07
Fix Fixed COMOS V10.3.3.1 (Siemens): V10.3.3.1.45COMOS V10.3.3.2 (Siemens): V10.3.3.2.33+5 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
SiemensCOMOS V10.2All versions—No fix listedCNA
SiemensCOMOS V10.3.3.1before V10.3.3.1.45V10.3.3.1.45Patch availableCNA
SiemensCOMOS V10.3.3.2before V10.3.3.2.33V10.3.3.2.33Patch availableCNA
SiemensCOMOS V10.3.3.3before V10.3.3.3.9V10.3.3.3.9Patch availableCNA
SiemensCOMOS V10.3.3.4before V10.3.3.4.6V10.3.3.4.6Patch availableCNA
SiemensCOMOS V10.4.0.0before V10.4.0.0.31V10.4.0.0.31Patch availableCNA
SiemensCOMOS V10.4.1.0before V10.4.1.0.32V10.4.1.0.32Patch availableCNA
SiemensCOMOS V10.4.2.0before V10.4.2.0.25V10.4.2.0.25Patch availableCNA
  • COMOS V10.2 VendorSiemens Affected All versions Fixed in — No fix listed CNA
  • COMOS V10.3.3.1 VendorSiemens Affected before V10.3.3.1.45 Fixed in V10.3.3.1.45 Patch available CNA
  • COMOS V10.3.3.2 VendorSiemens Affected before V10.3.3.2.33 Fixed in V10.3.3.2.33 Patch available CNA
  • COMOS V10.3.3.3 VendorSiemens Affected before V10.3.3.3.9 Fixed in V10.3.3.3.9 Patch available CNA
  • COMOS V10.3.3.4 VendorSiemens Affected before V10.3.3.4.6 Fixed in V10.3.3.4.6 Patch available CNA
  • COMOS V10.4.0.0 VendorSiemens Affected before V10.4.0.0.31 Fixed in V10.4.0.0.31 Patch available CNA
  • COMOS V10.4.1.0 VendorSiemens Affected before V10.4.1.0.32 Fixed in V10.4.1.0.32 Patch available CNA
  • COMOS V10.4.2.0 VendorSiemens Affected before V10.4.2.0.25 Fixed in V10.4.2.0.25 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*10.2 to before 10.3.3.1.45; 10.3.3.2 to before 10.3.3.2.33; 10.3.3.3 to before 10.3.3.3.9; 10.3.3.4 to before 10.3.3.4.6; 10.4.0.0 to before 10.4.0.0.31; 10.4.1.0 to before 10.4.1.0.32; 10.4.2.0 to before 10.4.2.0.25VulnerableSiemens
  • cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:* Versions 10.2 to before 10.3.3.1.45; 10.3.3.2 to before 10.3.3.2.33; 10.3.3.3 to before 10.3.3.3.9; 10.3.3.4 to before 10.3.3.4.6; 10.4.0.0 to before 10.4.0.0.31; 10.4.1.0 to before 10.4.1.0.32; 10.4.2.0 to before 10.4.2.0.25 Vulnerable ·Siemens

Remediation

  • Fix · CNA COMOS V10.3.3.1 (Siemens) Fixed in V10.3.3.1.45
  • Fix · CNA COMOS V10.3.3.2 (Siemens) Fixed in V10.3.3.2.33
  • Fix · CNA COMOS V10.3.3.3 (Siemens) Fixed in V10.3.3.3.9
  • Fix · CNA COMOS V10.3.3.4 (Siemens) Fixed in V10.3.3.4.6
  • Fix · CNA COMOS V10.4.0.0 (Siemens) Fixed in V10.4.0.0.31
  • Fix · CNA COMOS V10.4.1.0 (Siemens) Fixed in V10.4.1.0.32
  • Fix · CNA COMOS V10.4.2.0 (Siemens) Fixed in V10.4.2.0.25

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-24482
  2. 2026-10-03 Alias added: GHSA-jq98-78qg-f4vf

References

  • 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
  • TI-2023-23262 Improper access control in Siemens COMOS CVSS 3.1CRITICAL 9.6
  • TI-2023-23261 Buffer overflow in Siemens COMOS CVSS 3.1CRITICAL 9.8
  • TI-2023-25103 Improper access control in Siemens COMOS CVSS 3.1CRITICAL 9.6
  • TI-2012-02612 Siemens COMOS before 9.1 Patch 413, 9.2 before Update 03 Patch 023, and 10.0 before Patch… CVSS 2.0HIGH 8.5
See all 30 →

Sources