CVE-2016-2121

Publication date 31 October 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A permissions flaw was found in redis, which sets weak permissions on certain files and directories that could potentially contain sensitive information. A local, unprivileged user could possibly use this flaw to access unauthorized system information.

From the Ubuntu Security Team

It was discovered that Redis incorrectly handled permissions. A local unprivileged attacker could possibly use this issue to obtain sensitive information.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
redis	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 2:3.0.6-1ubuntu0.3
	14.04 LTS trusty	Fixed 2:2.8.4-2ubuntu0.2+esm1
	12.04 LTS precise	Ignored end of life

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Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N