CVE-2021-28966

Publication date 30 July 2021

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.

Show unmaintained releases

Package	Ubuntu Release	Status
ruby2.7	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Not in release

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Scores

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