CVE-2020-8891: Misp-Project Misp

Medium severity, CVSS 5.9. EPSS: 1.4% chance of exploitation in the next 30 days.

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-Project Misp: before 2.4.121 (fixed in 2.4.121)

Published 2020-02-12. Last modified 2026-06-22.