CVE-2023-53945
CVE-2023-53945 is a high-severity vulnerability in Brainycp with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-204599
- Weakness: CWE-78
- Affected product: Brainycp
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-53945?
- CVE-2023-53945 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-53945 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-53945?
- CVE-2023-53945 affects Brainycp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-53945?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-53945 have an EU (EUVD) identifier?
- Yes. CVE-2023-53945 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204599.
- When was CVE-2023-53945 published?
- CVE-2023-53945 was published on 2025-12-19 and last updated on 2026-06-17.
References
- https://brainycp.io
- https://www.exploit-db.com/exploits/51357
- https://www.vulncheck.com/advisories/brainycp-remote-code-execution-via-authenticated-crontab-manipulation
Affected products (1)
- cpe:2.3:a:brainycp:brainycp:1.0:*:*:*:*:*:*:*
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