Vulnerability in Versa-Networks Versa Operating System
CVE-2018-16494
In VOS and overly permissive "umask" may allow for authorized users of the server to gain unauthorized access through insecure file permissions that can result in an arbitrary read, write, or execution of newly created files and directories. Insecure umask setting was present throughout the Versa servers.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.019 (79.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Versa-Networks Versa Operating System
- Versa Vos — versions Fixed Versions: 16.1R2S11, 20.2.2, 21.1.1, 21.2.1
Weakness classification (CWE)
References
- hackerone.com/reports/1168191 (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16494?
- CVE-2018-16494 is a high-severity vulnerability in Versa-Networks Versa Operating System, classified under Insecure Temporary File. CVSS score: 8.8/10. Published 2021-05-26.
- How severe is CVE-2018-16494?
- High severity. CVSS v3 base score is 8.8 out of 10.