TI-2021-15258 Aliases CVE-2021-37196 GHSA-mjj9-wv6r-p28g

Path traversal in Siemens COMOS V10.2

LOW 30CWE-23Published 2022-01-11 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions < V10.3.3.3 only if web components are used), COMOS V10.3 (All versions >= V10.3.3.3 only if web components are used), COMOS V10.4 (All versions < V10.4.1 only if web components are used). The COMOS Web component of COMOS unpacks specially crafted archive files to relative paths. This vulnerability could allow an attacker to store files in any folder accessible by the COMOS Web webservice.

Why it matters now

EPSS 0.00808 57th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Siemens	COMOS V10.2	All versions only if web components are used	—	No fix listed	CNA
Siemens	COMOS V10.3	All versions < V10.3.3.3 only if web components are used	—	No fix listed	CNA
Siemens	COMOS V10.3	All versions >= V10.3.3.3 only if web components are used	—	No fix listed	CNA
Siemens	COMOS V10.4	All versions < V10.4.1 only if web components are used	—	No fix listed	CNA

COMOS V10.2 VendorSiemens Affected All versions only if web components are used Fixed in — No fix listed CNA
COMOS V10.3 VendorSiemens Affected All versions < V10.3.3.3 only if web components are used Fixed in — No fix listed CNA
COMOS V10.3 VendorSiemens Affected All versions >= V10.3.3.3 only if web components are used Fixed in — No fix listed CNA
COMOS V10.4 VendorSiemens Affected All versions < V10.4.1 only if web components are used Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:siemens:comos::::::::	up to 10.2; 10.3 to before 10.3.3.3	Vulnerable	Siemens
cpe:2.3:a:siemens:comos:10.4:::::::*	10.4	Vulnerable	Siemens

cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:* Versions up to 10.2; 10.3 to before 10.3.3.3 Vulnerable ·Siemens
cpe:2.3:a:siemens:comos:10.4:*:*:*:*:*:*:* Versions 10.4 Vulnerable ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-37196
2026-10-03 Alias added: GHSA-mjj9-wv6r-p28g

References

Patch 1

https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf

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-2023-10103 Buffer overflow in Siemens COMOS V10.2 CVSS 3.1CRITICAL 10.0
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

See all 30 →

Sources

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