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CVE-2021-20297

A flaw was found in NetworkManager in versions before 1.30.0. Setting match.path and activating a...

5.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.25%Down 0.2 points since May 27, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

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.

Record
CVE-2021-20297
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2021-20297
Weakness
CWE-20
Updated
2026-11-02
EUVDEUVD-2021-7722 No score

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.

Record
EUVD-2021-7722
Updated
2026-11-03
GitHub AdvisoriesGHSA-c9hx-hg53-g52p No score

A flaw was found in NetworkManager in versions before 1.30.0. Setting match.path and activating a...

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.

Record
GHSA-c9hx-hg53-g52p
Weakness
CWE-20
Updated
2026-11-02
OSVALPINE-CVE-2021-20297 5.5

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.

Record
ALPINE-CVE-2021-20297
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSV 5.5

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.

Record
CVE-2021-20297
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2021-20297 5.5

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.

Record
DEBIAN-CVE-2021-20297
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2021:1574 5.5

Red Hat Security Advisory: NetworkManager and libnma security, bug fix, and enhancement update

Record
RHSA-2021:1574
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRLSA-2021:1574 5.5

Moderate: NetworkManager and libnma security, bug fix, and enhancement update

NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services.

The following packages have been upgraded to a later upstream version: NetworkManager (1.30.0). (BZ#1878783)

Security Fix(es):

  • NetworkManager: Profile with match.path setting triggers crash (CVE-2021-20297)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.4 Release Notes linked from the References section.

Record
RLSA-2021:1574
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVALSA-2021:1574 No score

Moderate: NetworkManager and libnma security, bug fix, and enhancement update

NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services.

The following packages have been upgraded to a later upstream version: NetworkManager (1.30.0). (BZ#1878783)

Security Fix(es):

  • NetworkManager: Profile with match.path setting triggers crash (CVE-2021-20297)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2021:1574
Updated
2026-11-02
OSVMGASA-2021-0309 No score

Updated networkmanager packages fix security vulnerability

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. (CVE-2021-20297)

Record
MGASA-2021-0309
Updated
2026-11-02
OSVopenSUSE-SU-2024:10602-1 No score

NetworkManager-1.32.10-2.1 on GA media

These are all security issues fixed in the NetworkManager-1.32.10-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10602-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
networkmanager
Alpine:v3.13
 before 1.26.6-r1
1.26.6-r1
networkmanager-elogind
Alpine:v3.13
 before 1.26.6-r1
1.26.6-r1
NetworkManager-libnm-devel
AlmaLinux:8
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
libnma-devel
AlmaLinux:8
 before 1.8.30-2.el8
1.8.30-2.el8
network-manager
Debian:12
 before 1.30.0-2
1.30.0-2
network-manager
Debian:13
 before 1.30.0-2
1.30.0-2
network-manager
Debian:14
 before 1.30.0-2
1.30.0-2
networkmanager
Mageia:8
 before 1.26.6-1.1.mga8
1.26.6-1.1.mga8
NetworkManager-adsl-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-bluetooth-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
Show 58 moreShow less
Affected packages
PackageAffectedFixed
NetworkManager-cloud-setup
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-cloud-setup-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-debugsource
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-libnm-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-ovs-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-ppp-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-team-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-tui-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-wifi-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-wwan-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
libnma
Red Hat:enterprise_linux:8::appstream
 before 0:1.8.30-2.el8
0:1.8.30-2.el8
libnma-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:1.8.30-2.el8
0:1.8.30-2.el8
libnma-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:1.8.30-2.el8
0:1.8.30-2.el8
NetworkManager
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-adsl
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-adsl-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-bluetooth
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-bluetooth-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-cloud-setup-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-config-connectivity-redhat
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-config-server
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-debugsource
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-dispatcher-routing-rules
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-libnm
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-libnm-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-ovs
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-ovs-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-ppp
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-ppp-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-team
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-team-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-tui
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-tui-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-wifi
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-wifi-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-wwan
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-wwan-debuginfo
Red Hat:enterprise_linux:8::baseos
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-adsl-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-bluetooth-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-cloud-setup-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-debugsource
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-libnm-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-libnm-devel
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-ovs-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-ppp-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-team-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-tui-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-wifi-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager-wwan-debuginfo
Red Hat:enterprise_linux:8::crb
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
libnma-debuginfo
Red Hat:enterprise_linux:8::crb
 before 0:1.8.30-2.el8
0:1.8.30-2.el8
libnma-debugsource
Red Hat:enterprise_linux:8::crb
 before 0:1.8.30-2.el8
0:1.8.30-2.el8
libnma-devel
Red Hat:enterprise_linux:8::crb
 before 0:1.8.30-2.el8
0:1.8.30-2.el8
libnma
Rocky Linux:8
 before 0:1.8.30-2.el8
0:1.8.30-2.el8
NetworkManager
Rocky Linux:8
 before 1:1.30.0-7.el8
1:1.30.0-7.el8
NetworkManager
openSUSE:Tumbleweed
From an advisory covering 5 CVEs
 before 1.32.10-2.1
1.32.10-2.1

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-20297 is a medium vulnerability (CVSS 5.5) in [red Hat] Networkmanager, published May 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in networkmanager 1.26.6-r1.

References

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