Vulnerability · Published May 5, 2021 · Assigned by suse

CVE-2021-25319virtualbox: missing sticky bit for /etc/vbox allows local root exploit for members of vboxusers group

High 7.8

In plain English

A high-severity incorrect default permissions in Factory from openSUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 82.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A Incorrect Default Permissions vulnerability in the packaging of virtualbox of openSUSE Factory allows local attackers in the vboxusers groupu to escalate to root. This issue affects: openSUSE Factory virtualbox version 6.1.20-1.1 and prior versions.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSvirtualboxno fix listedUBUNTU-CVE-2021-25319
Ubuntu:24.04:LTSvirtualboxno fix listedUBUNTU-CVE-2021-25319
Ubuntu:25.10virtualboxno fix listedUBUNTU-CVE-2021-25319
Ubuntu:26.04:LTSvirtualboxno fix listedUBUNTU-CVE-2021-25319
Ubuntu:26.10virtualboxno fix listedUBUNTU-CVE-2021-25319

Affected products (as reported)

VendorProductVersions
openSUSE Factory virtualbox – through 6.1.20-1.1

Weakness: CWE-276 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References