CVE-2021-3155 LOW

CVE-2021-3155: snapd created ~/snap with too-wide permissions

Vendor Canonical Ltd.
Product snapd
Weakness CWE-276
Published February 17, 2022
Last update August 3, 2024

CVSS base score

3.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

February 17, 2022 CVE published
August 3, 2024 Record updated