CVE-2021-3626

HIGH

Canonical Multipass < 1.7.0 - Privilege Escalation

Title source: rule

Description

The Windows version of Multipass before 1.7.0 allowed any local process to connect to the localhost TCP control socket to perform mounts from the operating system to a guest, allowing for privilege escalation.

References (1)

[Patch, Third Party Advisory] https://github.com/canonical/multipass/pull/2150

Scores

CVSS v3 8.8

EPSS 0.0005

EPSS Percentile 14.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Classification

CWE

CWE-284 CWE-73

Status published

Affected Products (1)

canonical/multipass < 1.7.0

Timeline

Published Oct 01, 2021

Tracked Since Feb 18, 2026