Privilege escalation in Gns3
CVE-2020-14976
GNS3 ubridge through 0.9.18 on macOS, as used in GNS3 server before 2.1.17, allows a local attacker to read arbitrary files because it handles configuration-file errors by printing the configuration file while executing in a setuid root context.
Vulnerability class: Privilege Escalation
EPSS: 0.005 (38.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Gns3
- Gns3 Ubridge
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-14976?
- CVE-2020-14976 is a medium-severity vulnerability in Gns3, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2020-06-23.
- How severe is CVE-2020-14976?
- Medium severity. CVSS v3 base score is 5.5 out of 10.