Cyber Resilience

CVE-2023-37497

High

Published: 03 August 2023

Published
03 August 2023
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0020 42.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-37497 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Hcltech Unica. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 42.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The Unica application exposes an API which accepts arbitrary XML input. By manipulating the given XML, an authenticated attacker with certain rights can successfully perform XML External Entity attacks (XXE) against the backend service.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

hcltech
unica
≤ 11.1.0.6 · 12.0 — 12.1.1

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