CVE-2021-3747: high-severity vulnerability in Canonical Multipass
MacOS version of Multipass incorrect owner for application directory
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.2%
exploitation probability
0.2%top 86% of all CVEs
observed exploitation
nono source reports it
The MacOS version of Multipass, version 1.7.0, fixed in 1.7.2, accidentally installed the application directory with incorrect owner.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
Canonical · MultipassRelated CVEs — Canonical Multipass
In the same product, most dangerous first.
CVE-2026-49238HIGHSFTP Server VM Escape in Canonical MultipassEPSS 0.4%CVE-2021-3626HIGHWindows version of Multipass unauthenticated localhost tcp control socket can perform mountsEPSS 0.2%CVE-2025-5199HIGHLPE on Multipass for macOSEPSS 0.2%CVE-2026-49237HIGHLocal Privilege Escalation in Canonical MultipassEPSS 0.2%