CVE-2025-54499

LOW EPSS 15.6%
Published Oct 16, 20258mo ago · Modified Jun 17, 20262w ago
3.7 CVSS 3.1
Low
Find Similar
Published Oct 16, 2025 8mo ago
Last Modified Jun 17, 2026 2w ago

Description

Mattermost versions 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets

CVSS Details

Base Score
3.7
Exploitability
2.2
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
15.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-208

Affected Products 2

VendorProductVersionRange
mattermostmattermost_server*≥10.5.0  –  <10.5.11
mattermostmattermost_server*≥10.11.0  –  <10.11.3

References 1

  • mattermost.com https://mattermost.com/security-updates
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.