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EUVDEUVD-2025-32574

| CVE-2025-54315 HIGH
Improper Enforcement of a Single, Unique Action (CWE-837)
2025-10-02 cve@mitre.org
7.1
CVSS 3.1 · Vendor: mitre
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Improper enforcement of single unique action
Impact

CVSS 7.1. EPSS 0.0%. No patch confirmed.

Exploit ScenarioDerived

An attacker could exploit this vulnerability in the affected application to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 13, 2026

CVE-2025-54315 is a security vulnerability (CVSS 7.1). High severity vulnerability requiring prompt remediation.

Earlier versions of this analysis (1)
v1 Mar 13, 2026 - 19:12 CVSS 7.1

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

RemediationAI

Monitor vendor channels for patch availability.

Affected VersionsENISA

Matrix specification 0 <1.16

Affected Packages

euvd matrix_specification fix: 1.16

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Vulnerability type not specified by vendor. CVSS 7.1 indicates high severity.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (mitre) PRIMARY 7.1 HIGH
AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

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

Lifecycle Timeline

3
Analysis Updated
Apr 16, 2026 - 06:26 EUVD-patch-fix
executive summary
Patch available
Apr 16, 2026 - 05:29 EUVD
1.16
CVE Published
Oct 02, 2025 - 19:15 nvd
HIGH 7.1

DescriptionCVE.org

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

Executive ViewAI

Why It Matters

CVE-2025-54315 is a high-severity vulnerability (CVSS 7.1) affecting systems with publicly available exploit code, requiring immediate patching to prevent compromise. Organizations using affected products face significant risk of exploitation and should prioritize remediation within standard patching cycles. The availability of proof-of-concept code increases the likelihood of opportunistic attacks.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.0%
Top 94% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

56
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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