How severe is CVE-2025-54315?

CVE-2025-54315 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2025-54315 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54315?

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-2025-54315 have an EU (EUVD) identifier?

Yes. CVE-2025-54315 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32574.

When was CVE-2025-54315 published?

CVE-2025-54315 was published on 2025-10-02 and last updated on 2026-06-17.

CVE-2025-54315

CVE-2025-54315 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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-837.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-32574
Weakness: CWE-837
Published: 2025-10-02
Last modified: 2026-06-17

Description

The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.

Frequently asked questions

What is CVE-2025-54315?: The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.
How severe is CVE-2025-54315?: CVE-2025-54315 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2025-54315 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-54315?: 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-2025-54315 have an EU (EUVD) identifier?: Yes. CVE-2025-54315 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32574.
When was CVE-2025-54315 published?: CVE-2025-54315 was published on 2025-10-02 and last updated on 2026-06-17.

References

Other CWE-837 vulnerabilities

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