What’s Vulnerable › Vulnerabilities

CVE-2020-14976

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-23 · updated 2026-06-17
• Weakness: CWE-269

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.

Affected products

• Gns3 Ubridge: through 0.9.18

References

• https://github.com/GNS3/gns3-server/releases/tag/v2.1.17
• https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077db
• https://theevilbit.github.io/posts/
• https://www.gns3.com/
• https://github.com/GNS3/gns3-server/releases/tag/v2.1.17
• https://github.com/GNS3/ubridge/commit/2eb0d1dab6a6de76cf3556130a2d52af101077db
• https://theevilbit.github.io/posts/
• https://www.gns3.com/

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