What’s Vulnerable › Vulnerabilities

CVE-2021-20297

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-26 · updated 2026-06-17
• Weakness: CWE-20

Description

A flaw was found in NetworkManager in versions before 1.30.0. Setting match.path and activating a profile crashes NetworkManager. The highest threat from this vulnerability is to system availability.

Affected products

• Fedoraproject Fedora: 33
• GNOME NetworkManager: before 1.30.0 — fixed in 1.30.0
• Red Hat Enterprise Linux: 8.0
• Red Hat OpenShift Container Platform 4.18: 4.0

How to fix

Upgrade to a fixed version: GNOME NetworkManager 1.30.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1943282
• https://bugzilla.redhat.com/show_bug.cgi?id=1943282

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