CVE-2021-3155
5.5
MEDIUM
CVSS 3.1
EPSS 0.03%
Description
snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. 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-2021-3155
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/snapd—no fix listed
Is CVE-2021-3155 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |