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
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
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History
Tue, 21 Oct 2025 18:00:00 +0000
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Mattermost mattermost Server
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| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mattermost mattermost Server
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Mon, 20 Oct 2025 13:30:00 +0000
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| First Time appeared |
Mattermost
Mattermost mattermost |
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| Vendors & Products |
Mattermost
Mattermost mattermost |
Thu, 16 Oct 2025 14:15:00 +0000
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| Metrics |
ssvc
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Thu, 16 Oct 2025 08:30:00 +0000
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| 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 | |
| Title | Insecure string comparison enables timing attacks | |
| Weaknesses | CWE-208 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Mattermost
Published: 2025-10-16T08:17:20.937Z
Updated: 2025-10-16T13:51:10.320Z
Reserved: 2025-09-16T08:32:57.368Z
Link: CVE-2025-54499
Updated: 2025-10-16T13:50:02.665Z
Status : Analyzed
Published: 2025-10-16T09:15:34.507
Modified: 2025-10-21T17:58:02.190
Link: CVE-2025-54499
No data.