CVE-2020-11931 describes a bypass in Ubuntu's Pulseaudio security mediation for Snap applications, specifically affecting versions prior to 1:8.0-0ubuntu3.12, 1:11.1-1ubuntu7.7, 1:13.0-1ubuntu1.2, and 1:13.99.1-1ubuntu3.2. This vulnerability allows Snap-packaged applications that plug into pulseaudio, audio-playback, or audio-record to bypass intended access restrictions by unloading the Pulseaudio snap policy module. The vulnerability has a CVSS score of 3.3 (LOW), indicating a local attack vector with low complexity, requiring low privileges, and resulting in a low impact on confidentiality with no impact on integrity or availability. It is classified under CWE-284 (Improper Access Control) and CWE-668 (Exposure of Resource to Wrong Sphere). There is no evidence of active exploitation, and no public exploit intelligence (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting a low level of public attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.8.0CPE matchmatch criteria | cpe:2.3:a:pulseaudio:pulseaudio:*:*:*:*:*:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
18.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | ||
19.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* | ||
20.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.