What’s Vulnerable › Vulnerabilities

CVE-2023-27372

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 99.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-28 · updated 2026-06-17
• Weakness: CWE-502

Description

SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because serialization is mishandled. The fixed versions are 3.2.18, 4.0.10, 4.1.8, and 4.2.1.

Affected products

• Debian Linux: 11.0
• SPIP: before 3.2.18; from 4.0.0 before 4.0.10; from 4.1.0 before 4.1.8; 4.2.0, 4.2.0-alpha, 4.2.0-alpha2 — fixed in 3.2.18, 4.0.10, 4.1.8

How to fix

Upgrade to a fixed version: SPIP 3.2.18, 4.0.10, 4.1.8. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/171921/SPIP-Remote-Command-Execution.html
• http://packetstormsecurity.com/files/173044/SPIP-4.2.1-Remote-Code-Execution.html
• https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-2-1-SPIP-4-1-8-SPIP-4-0-10-et.html
• https://git.spip.net/spip/spip/commit/5aedf49b89415a4df3eb775eee3801a2b4b88266
• https://git.spip.net/spip/spip/commit/96fbeb38711c6706e62457f2b732a652a04a409d
• https://www.debian.org/security/2023/dsa-5367
• http://packetstormsecurity.com/files/171921/SPIP-Remote-Command-Execution.html
• http://packetstormsecurity.com/files/173044/SPIP-4.2.1-Remote-Code-Execution.html
• https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-2-1-SPIP-4-1-8-SPIP-4-0-10-et.html
• https://git.spip.net/spip/spip/commit/5aedf49b89415a4df3eb775eee3801a2b4b88266
• https://git.spip.net/spip/spip/commit/96fbeb38711c6706e62457f2b732a652a04a409d
• https://www.debian.org/security/2023/dsa-5367

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