VDB
CVE-2020-11931
CVE-2020-11931
PUBLISHED
An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found to have a bypass of intended access restriction for snaps which plugs any of pulseaudio, audio-playback or audio-record via unloading the pulseaudio snap policy module. This issue affects: pulseaudio 1:8.0 versions prior to 1:8.0-0ubuntu3.12; 1:11.1 versions prior to 1:11.1-1ubuntu7.7; 1:13.0 versions prior to 1:13.0-1ubuntu1.2; 1:13.99.1 versions prior to 1:13.99.1-1ubuntu3.2;
EPSS 0.04% · 13.9th percentile
Risk Scores
EPSS Score
0.04%
13.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | pulseaudio | 0, 1:6.0-0ubuntu13, 1:7.1-1ubuntu1 |
| Ubuntu:18.04:LTS | pulseaudio | 0, 1:10.0-2ubuntu3, 1:11.1-1ubuntu5 |
| Ubuntu:20.04:LTS | pulseaudio | 0, 1:13.0-1ubuntu1, 1:13.0-1ubuntu4 |
Exploit Intelligence
Timeline
- Apr 16, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-11931 third-party-advisory
- https://forum.snapcraft.io/t/audio-switcher-pulseaudio-interface-auto-connect-request/16648/3 third-party-advisory
- https://ubuntu.com/security/notices/USN-4355-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-11931 third-party-advisory