How severe is CVE-2025-27935?

CVE-2025-27935 has a CVSS 4.0 base score of 8.6, rated high severity.

Is CVE-2025-27935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27935?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-27935 have an EU (EUVD) identifier?

Yes. CVE-2025-27935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201281.

When was CVE-2025-27935 published?

CVE-2025-27935 was published on 2025-12-04 and last updated on 2026-06-17.

CVE-2025-27935

CVE-2025-27935 is a high-severity vulnerability with a CVSS 4.0 base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 4.0 base score 8.6)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201281
Weakness: CWE-306
Published: 2025-12-04
Last modified: 2026-06-17

Description

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.

Frequently asked questions

What is CVE-2025-27935?: The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.
How severe is CVE-2025-27935?: CVE-2025-27935 has a CVSS 4.0 base score of 8.6, rated high severity.
Is CVE-2025-27935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-27935?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-27935 have an EU (EUVD) identifier?: Yes. CVE-2025-27935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201281.
When was CVE-2025-27935 published?: CVE-2025-27935 was published on 2025-12-04 and last updated on 2026-06-17.

References

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

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CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

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