CVE-2018-16494
Last modified
CVE-2018-16494 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.92% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Versa-Networks | Versa Operating System | < 16.1r2s11 |
| Versa-Networks | Versa Operating System | >= 20.2.0, < 20.2.2 |
| Versa-Networks | Versa Operating System | >= 21.1.0, < 21.1.1 |
References
- https://hackerone.com/reports/1168191Third Party Advisory
- https://hackerone.com/reports/1168191Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-16494?
How severe is CVE-2018-16494?
How do I fix CVE-2018-16494?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-16489A prototype pollution vulnerability was found in just-extend…9.8
- CVE-2018-1649IBM QRadar Incident Forensics 7.2 and 7.3 could allow a remo…7.7
- CVE-2018-16490A prototype pollution vulnerability was found in module mpat…
- CVE-2018-16491A prototype pollution vulnerability was found in node.extend…
- CVE-2018-16492A prototype pollution vulnerability was found in module exte…
- CVE-2018-16493A path traversal vulnerability was found in module static-re…
- CVE-2018-16495In VOS user session identifier (authentication token) is iss…8.8
- CVE-2018-16496In Versa Director, the un-authentication request found.5.3
- CVE-2018-16497In Versa Analytics, the cron jobs are used for scheduling ta…7.8
- CVE-2018-16498In Versa Director, the unencrypted backup files stored on th…5.5
- CVE-2018-16499In VOS compromised, an attacker at network endpoints can pos…5.9
- CVE-2018-1650IBM QRadar SIEM 7.2 and 7.3 uses hard-coded credentials whic…5.9
Are you affected by CVE-2018-16494?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST