4.2

CVE-2025-2571: mattermost

CVSS: 4.2v3.1MediumAnalyzed
AliasesGHSA-8cgx-9ccj-3gwrGO-2025-3729
Published 30-05-2025Last modified 30-05-2025
Open JSON

Vulnerability summary

CVE-2025-2571 is a medium (CVSS 4.2) vulnerability in mattermost. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 9.8% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.2/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.21%
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 1
OPENSUSE-SU-2025:15225-1

Timeline

  1. 30-05-2025
    PublishedVulnerability first disclosed.
  2. 30-05-2025
    Last modifiedVulnerability information updated.

Description

Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to clear Google OAuth credentials when converting user accounts to bot accounts, allowing attackers to gain unauthorized access to bot accounts via the Google OAuth signup flow.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

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

Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
  • mattermost10.7.0 | ≥ 10.6.0, ≤ 10.6.2 | ≥ 10.5.0, ≤ 10.5.3 | ≥ 9.11.0, ≤ 9.11.12
  • mattermost_server≥ 9.11.0, < 9.11.13 | ≥ 10.5.0, < 10.5.4 | ≥ 10.6.0, < 10.6.3 | ≥ 10.7.0, < 10.7.1
Github.com/mattermost1 product
  • mattermost-server≥ 10.7.0-rc1+incompatible, < 10.7.1+incompatible
Github.com/mattermost/mattermost/server1 product
  • v8≥ 10.7.0-rc1, < 10.7.1 | ≥ 10.0.0-rc1, < 10.5.4 | ≥ 9.0.0-rc1, < 9.11.13 | ≥ 10.6.0-rc1, < 10.6.3 | < 8.0.0-20250414095146-04676582cdd2

4 vendors · 6 products

References

5 links