Vulnerability · Published May 26, 2021 · Assigned by redhat
CVE-2021-20297
Medium 5.5
In plain English
A medium-severity improper input validation in NetworkManager. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 82.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | NetworkManager-libnm-devel | 1:1.30.0-7.el8 | ALSA-2021:1574 |
| AlmaLinux:8 | libnma-devel | 1.8.30-2.el8 | ALSA-2021:1574 |
| Debian:12 | network-manager | 1.30.0-2 | DEBIAN-CVE-2021-20297 |
| Debian:13 | network-manager | 1.30.0-2 | DEBIAN-CVE-2021-20297 |
| Debian:14 | network-manager | 1.30.0-2 | DEBIAN-CVE-2021-20297 |
| Rocky Linux:8 | NetworkManager | 1:1.30.0-7.el8 | RLSA-2021:1574 |
| Rocky Linux:8 | libnma | 0:1.8.30-2.el8 | RLSA-2021:1574 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | NetworkManager | NetworkManager 1.30.0 |
Weakness: CWE-20
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1943282 x_refsource_MISC