CVE-2020-14976

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-269

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/GNS3/gns3-server/releases/tag/v2.1.17Release Notes, Third Party Advisory
https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077dbPatch, Third Party Advisory
https://theevilbit.github.io/posts/Exploit, Third Party Advisory
https://www.gns3.com/Vendor Advisory
https://github.com/GNS3/gns3-server/releases/tag/v2.1.17Release Notes, Third Party Advisory
https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077dbPatch, Third Party Advisory
https://theevilbit.github.io/posts/Exploit, Third Party Advisory
https://www.gns3.com/Vendor Advisory

Timeline

Published: Jun 23, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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