4.9

CVE-2025-32093: mattermost Incorrect Authorization

CVSS: 4.9v3.1MediumAnalyzed
AliasesGHSA-322v-vh2g-qvpvGO-2025-3609CGA-f7j5-7428-972h
Published 14-04-2025Last modified 14-04-2025

Vulnerability summary

CVE-2025-32093 is a medium (CVSS 4.9) Incorrect Authorization vulnerability in mattermost. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 4

Timeline

  1. 14-04-2025
    PublishedVulnerability first disclosed.
  2. 14-04-2025
    Last modifiedVulnerability information updated.

Description

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to restrict certain operations on system admins to only other system admins, which allows delegated granular administration users with the "Edit Other Users" permission to perform unauthorized modifications to system administrators via improper permission validation.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.25%

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

Chainguard2 products
  • mattermost-fips-10.5All versions (No fix recorded)
  • mattermost-fips-10.5-compatAll versions (No fix recorded)
Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
  • mattermost≥ 10.5.0, ≤ 10.5.1 | ≥ 10.4.0, ≤ 10.4.3 | ≥ 9.11.0, ≤ 9.11.9
  • mattermost_server≥ 9.11.0, < 9.11.10 | ≥ 10.4.0, < 10.4.4 | ≥ 10.5.0, < 10.5.2
Github.com/mattermost1 product
  • mattermost-server≥ 10.5.0, < 10.5.2 | ≥ 10.4.0, < 10.4.4 | ≥ 9.11.0, < 9.11.10 | ≥ 10.5.0+incompatible, < 10.5.2+incompatible
Github.com/mattermost/mattermost/server1 product
  • v8≥ 10.5.0, < 10.5.2 | ≥ 10.4.0, < 10.4.4 | ≥ 9.11.0, < 9.11.10 | < 8.0.0-20250227102013-aa4623a93199

5 vendors · 8 products

References

7 links