Cyber Resilience

CVE-2022-2131

High

Published: 25 July 2022

Published
25 July 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 8.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
EPSS Score 0.0029 52.4th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-2131 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Openkm Openkm. Its CVSS base score is 8.5 (High).

Operationally, ranked in the top 47.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

OpenKM Community Edition in its 6.3.10 version and before was using XMLReader parser in XMLTextExtractor.java file without the required security flags, allowing an attacker to perform a XML external entity injection attack.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

openkm
openkm
≤ 6.3.10

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