Information disclosure in Cloudlinux Cagefs
CVE-2020-36771
CloudLinux CageFS 7.1.1-1 or below passes the authentication token as a command line argument. In some configurations this allows local users to view the authentication token via the process list and gain code execution as another user.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Cloudlinux Cagefs
- Cloudlinux OS Cagefs — versions 7.1.1-1, 7.1.2-2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.cloudlinux.com/cagefs-lve-wrappers-and-bsock-have-been-rolled-out-to-100 (Release Notes)
- seclists.org/fulldisclosure/2024/Jan/24 (Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/176790/CloudLinux-CageFS-7.1.1-1-Token-Disclosure… (Exploit, VDB Entry, Third Party Advisory)
- github.com/sbaresearch/advisories/tree/public/2020/SBA-ADV-20200707-01_CloudLin…
Frequently asked questions
- What is CVE-2020-36771?
- CVE-2020-36771 is a high-severity vulnerability in Cloudlinux Cagefs, classified under CWE-214. CVSS score: 7.8/10. Published 2024-01-22.
- How severe is CVE-2020-36771?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-36771 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.