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CVE-2025-54499

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CVE-2025-54499

Published: Oct 16, 2025

Modified: Oct 16, 2025

PUBLISHED

CVSS v3.1

3.1

LOW

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

VendorProductVersions

Mattermost

Mattermost

affected
10.5.0 - <= 10.5.10
affected
10.11.0 - <= 10.11.2
unaffected
10.12.0
unaffected
10.5.11
unaffected
10.11.3

Weaknesses (CWE)

CWE-208

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

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