Name: CVE-2021-3155: Incorrect Default Permissions
Creator: Rapid7
Published: 2022-02-17T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-3155, CWE-276, CVSS 3.8, EPSS 0.00028

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

CVSS Details

CVSS 3.1 Base Score: 3.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade snapd	Jul 30, 2024	Feb 17, 2022
Ubuntu	—	Upgrade snap-confineUpgrade snapdUpgrade snap-confine (Ubuntu Pro)Upgrade snapd (Ubuntu Pro)	Feb 18, 2022	Feb 17, 2022

Prioritize with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence