Buffer overflow in Siemens COMOS V10.2
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | COMOS V10.2 | All versions | — | No fix listed | CNA |
| Siemens | COMOS V10.3.3.1 | before V10.3.3.1.45 | V10.3.3.1.45 | Patch available | CNA |
| Siemens | COMOS V10.3.3.2 | before V10.3.3.2.33 | V10.3.3.2.33 | Patch available | CNA |
| Siemens | COMOS V10.3.3.3 | before V10.3.3.3.9 | V10.3.3.3.9 | Patch available | CNA |
| Siemens | COMOS V10.3.3.4 | before V10.3.3.4.6 | V10.3.3.4.6 | Patch available | CNA |
| Siemens | COMOS V10.4.0.0 | before V10.4.0.0.31 | V10.4.0.0.31 | Patch available | CNA |
| Siemens | COMOS V10.4.1.0 | before V10.4.1.0.32 | V10.4.1.0.32 | Patch available | CNA |
| Siemens | COMOS V10.4.2.0 | before V10.4.2.0.25 | V10.4.2.0.25 | Patch available | CNA |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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 10.4.2.0.25 | Vulnerable | Siemens |
- 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
- 2026-10-02 Threatist record created from CVE-2023-24482
- 2026-10-03 Alias added: GHSA-jq98-78qg-f4vf
References
More Siemens Comos vulnerabilities
- 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
Sources
- CVE-2023-24482 · CVE Program
- CVE-2023-24482 · NVD
- FIRST EPSS
- GHSA-jq98-78qg-f4vf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences