CVE-2018-8949

Severity: medium (CVSS 4.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-03-23 · updated 2026-06-17
Weakness: CWE-749

Description

An issue was discovered in app/Model/Attribute.php in MISP before 2.4.89. There is a critical API integrity bug, potentially allowing users to delete attributes of other events. A crafted edit for an event (without attribute UUIDs but attribute IDs set) could overwrite an existing attribute.

Affected products

MISP: before 2.4.89 — fixed in 2.4.89

How to fix

Upgrade to a fixed version: MISP 2.4.89. Check the vendor advisory for mitigations.

References

https://github.com/MISP/MISP/commit/37720c38d6c617439df0a13e9396fcb26345dadd
https://github.com/MISP/MISP/commit/37720c38d6c617439df0a13e9396fcb26345dadd

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