Cyber Resilience

CVE-2021-40356

High

Published: 14 September 2021

Published
14 September 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0031 54.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-40356 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Siemens Teamcenter Visualization. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 45.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability has been identified in Teamcenter V12.4 (All versions < V12.4.0.8), Teamcenter V13.0 (All versions < V13.0.0.7), Teamcenter V13.1 (All versions < V13.1.0.5), Teamcenter V13.2 (All versions < 13.2.0.2). The application contains a XML External Entity Injection (XXE) vulnerability.…

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This could allow an attacker to view files on the application server filesystem.

CWE(s)
CWE-611

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

siemens
teamcenter visualization
12.4.0 — 12.4.0.8 · 13.0.0 — 13.0.0.7 · 13.1.0 — 13.1.0.5

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

SI-4 System Monitoring
addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

References