RCE in Brainycp

CVE-2023-53945

BrainyCP 1.0 contains an authenticated remote code execution vulnerability that allows logged-in users to inject arbitrary commands through the crontab configuration interface. Attackers can exploit the crontab endpoint by adding a malicious command that spawns a reverse shell to a specified IP and port.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.010 (58.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53945?
CVE-2023-53945 is a high-severity vulnerability in Brainycp, classified under OS Command Injection. CVSS score: 8.8/10. Published 2025-12-19.
How severe is CVE-2023-53945?
High severity. CVSS v3 base score is 8.8 out of 10.