CVE-2025-54315

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-54315
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-10-02 19:15:31 UTC
Updated2026-10-12 15:10:00 UTC
DescriptionThe Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

EPSS: 0.003300000 probability, percentile 0.242600000 (date 2026-10-12)

Problem Types: CWE-837 | CWE-837 CWE-837 Improper Enforcement of a Single, Unique Action

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.1HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L
3.1CNADECLARED7.1HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
Low

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Matrix Matrix Specification affected 1.16 custom Not specified

References

ReferenceSourceLinkTags
matrix.org/blog/2025/08/project-hydra-improving-state-res [email protected] matrix.org
github.com/matrix-org/matrix-spec/releases/tag/v1.16 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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