7.1

CVE-2025-49090: matrix matrix specification External Control of Critical State Data

CVSS: 7.1v3.1HighDeferred
AliasesopenSUSE-SU-2025:15436-1
Published 02-10-2025Last modified 02-10-2025
Open JSON

Vulnerability summary

CVE-2025-49090 is a high (CVSS 7.1) External Control of Critical State Data vulnerability in matrix matrix specification. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.7% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.46%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-10-2025
    PublishedVulnerability first disclosed.
  2. 02-10-2025
    Last modifiedVulnerability information updated.

Description

The Matrix specification before 1.16 (i.e., with a room version before 12 and State Resolution before 2.1) has deficient state resolution.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

+0.02 pp

From 0.44% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Matrix1 product
Opensuse1 product
  • matrix-synapse&distro=openSUSE Tumbleweed< 1.136.0-1.1

2 vendors · 2 products

References

5 links