HOMEVULNERABILITIESCVE-2020-11931
LOW

CVE-2020-11931

CWE-284Published: May 15, 2020· Updated: Jun 17, 2026

3.3
CVSS v3.1

Official Description

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;

NVD Source

Technical Analysis

CVE-2020-11931 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
pulseaudio1 product(s)
pulseaudio
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2020-11931
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-284
CISA KEVNo
Affected2 vendor(s)
PublishedMay 15, 2020

Related CVEs (CWE-284)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-11931 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.