What’s Vulnerable › Vulnerabilities

CVE-2024-36250: MFA Code Replay

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-09 · updated 2026-06-17
• Weakness: CWE-303

Description

Mattermost versions 9.11.x <= 9.11.2, and 9.5.x <= 9.5.10 fail to protect the mfa code against replay attacks, which allows an attacker to reuse the MFA code within ~30 seconds

Affected products

• Mattermost: from 9.5.0 before 9.5.11; from 9.11.0 before 9.11.3 — fixed in 9.11.3, 9.5.11

How to fix

Upgrade to a fixed version: Mattermost 9.11.3, 9.5.11. Check the vendor advisory for mitigations.

References

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

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