What’s Vulnerable › Vulnerabilities

CVE-2021-27904

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-02 · updated 2026-06-22

Description

An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the "all org" flag sometimes provided view access to unintended actors.

Affected products

• MISP: through 2.4.139

References

• https://github.com/MISP/MISP/commit/ca13fee271ad126832c88896776f3050a6c06e64
• https://github.com/MISP/MISP/commit/ca13fee271ad126832c88896776f3050a6c06e64

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