What’s Vulnerable › Vulnerabilities

CVE-2020-8891

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-12 · updated 2026-06-22

Description

An issue was discovered in MISP before 2.4.121. It did not canonicalize usernames when trying to block a brute-force series of invalid requests.

Affected products

• MISP: before 2.4.121 — fixed in 2.4.121

How to fix

Upgrade to a fixed version: MISP 2.4.121. Check the vendor advisory for mitigations.

References

• https://github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520
• https://github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3
• https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121
• https://github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520
• https://github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3
• https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121

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