Cyber Resilience

CVE-2025-27371

Medium

Published: 03 March 2025

Published
03 March 2025
Modified
15 April 2026
KEV Added
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Patch
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CVSS Score v3.1 6.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N
EPSS Score 0.0034 56.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-27371 is a medium-severity Authentication Bypass by Primary Weakness (CWE-305) vulnerability in Openid (inferred from references). Its CVSS base score is 6.9 (Medium).

Operationally, ranked in the top 43.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In certain IETF OAuth 2.0-related specifications, when the JSON Web Token Profile for OAuth 2.0 Client Authentication mechanism is used, there are ambiguities in the audience values of JWTs sent to authorization servers. The affected RFCs may include RFC 7523,…

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and also RFC 7521, RFC 7522, RFC 9101 (JAR), and RFC 9126 (PAR).

CWE(s)
CWE-305

Related Threats

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

Affected Assets

Openid
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References