Cyber Resilience

CVE-2023-6836

Medium

Published: 15 December 2023

Published
15 December 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 4.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS Score 0.0017 38.1th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-6836 is a medium-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Wso2 Identity Server As Key Manager. Its CVSS base score is 4.6 (Medium).

Operationally, ranked at the 38.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

wso2
api manager
≤ 3.0.0
wso2
api manager analytics
2.2.0, 2.5.0
wso2
api microgateway
2.2.0
wso2
enterprise integrator
≤ 6.6.0
wso2
identity server as key manager
5.0.0, 5.6.0, 5.7.0, 5.9.0
wso2
identity server
5.4.0, 5.4.1, 5.5.0, 5.6.0
wso2
micro integrator
1.0.0

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