RCE in Utoronto Pcrs

CVE-2023-46404

PCRS <= 3.11 (d0de1e) “Questions” page and “Code editor” page are vulnerable to remote code execution (RCE) by escaping Python sandboxing.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.019 (77.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Utoronto Pcrs
N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

cve@mitre.org (Patch)
cve@mitre.org (Exploit, Patch, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2023-46404?: CVE-2023-46404 is a critical-severity vulnerability in Utoronto Pcrs, classified under Code Injection. CVSS score: 9.9/10. Published 2023-11-03.
How severe is CVE-2023-46404?: Critical severity. CVSS v3 base score is 9.9 out of 10.
Is CVE-2023-46404 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.