CVE-2021-44730
snapd - security update
8.8
HIGH
CVSS 3.1
EPSS 0.04%
Description
snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1
How to fix CVE-2021-44730
To remediate CVE-2021-44730, upgrade the affected package to a fixed version below.
- —upgrade to 2.49-1+deb11u1 or later
- —upgrade to 2.37.4-1+deb10u1 or later
Is CVE-2021-44730 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.49-1+deb11u1
- from 0, < 2.37.4-1+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |