CVE-2020-14976
5.5 · MEDIUMOverview
CVE-2020-14976 is a medium-severity vulnerability affecting gns3 ubridge. It was published on June 23, 2020 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from gns3. Update ubridge to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gns3 | ubridge | 0 | Affected |
| gns3 | gns3 | >= 0, < 2.1.17 | Affected |
References
Frequently Asked Questions
What is CVE-2020-14976?
CVE-2020-14976 is a medium-severity vulnerability affecting gns3 ubridge. It was published on June 23, 2020 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2020-14976?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-14976?
Check the references section for vendor advisories and patches from gns3. Update ubridge to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-14976?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-14976 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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