What’s Vulnerable › Vulnerabilities

CVE-2020-8894

• Severity: medium (CVSS 6.5 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. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.

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/9400b8bc8699435d84508e598aca98a31affd77c
• https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121
• https://zigrin.com/advisories/misp-mishandling-of-discussion-threads-acls/
• https://github.com/MISP/MISP/commit/9400b8bc8699435d84508e598aca98a31affd77c
• https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121
• https://zigrin.com/advisories/misp-mishandling-of-discussion-threads-acls/

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