SSRF in Judge0

CVE-2024-29021

Judge0 is an open-source online code execution system. The default configuration of Judge0 leaves the service vulnerable to a sandbox escape via Server Side Request Forgery (SSRF). This allows an attacker with sufficient access to the Judge0 API to obtain unsandboxed code execution as root on the target machine. This vulnerability is fixed in 1.13.1.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.202 (97.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-29021?
CVE-2024-29021 is a critical-severity vulnerability in Judge0, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.0/10. Published 2024-04-18.
How severe is CVE-2024-29021?
Critical severity. CVSS v3 base score is 9.0 out of 10.