CVE-2023-27372 Deserialization in n/a

What is CVE-2023-27372?

CVE-2023-27372 is a critical unsafe deserialization vulnerability in Debian Debian Linux, published on 28 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-502

Which versions are affected by CVE-2023-27372?

It affects 2 products.

Products include Debian Debian Linux, Spip Spip.

How do I fix CVE-2023-27372?

Upgrade to a fixed version.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2023-27372 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-27372 exists.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry, 1 Nuclei template and 13 proofs of concept on GitHub.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-27372, DSA-5367-1, GHSA-jc3f-vxgp-6jw9, UBUNTU-CVE-2023-27372.