CVE-2021-20297: fedoraproject fedora Improper Input Validation
Vulnerability summary
CVE-2021-20297 is a medium (CVSS 5.5) Improper Input Validation vulnerability in fedoraproject fedora. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.3% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 26-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · Red hatEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.26% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat33 products
- enterprise_linux8.0
- openshift_container_platform4.0
- libnma< 0:1.8.30-2.el8
- libnma-debuginfo< 0:1.8.30-2.el8
- libnma-debugsource< 0:1.8.30-2.el8
Alpine2 products
- networkmanager< 1.26.6-r1
- networkmanager-elogind< 1.26.6-r1
Debian1 product
- network-manager< 1.30.0-2
Fedoraproject1 product
- fedoraEOL33
Gnome1 product
- networkmanager< 1.30.0
Mageia1 product
- networkmanager< 1.26.6-1.1.mga8
6 vendors · 39 products
References
47 links- bugzilla.redhat.com/show_bug.cgi?id=1943282X Refsource MISCREPORTIssue TrackingPatchThird Party Advisory
