CVE-2020-35459

Publication date 12 January 2021

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An issue was discovered in ClusterLabs crmsh through 4.2.1. Local attackers able to call "crm history" (when "crm" is run) were able to execute commands via shell code injection to the crm history commandline, potentially allowing escalation of privileges.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
crmsh	25.10 questing	Fixed 4.2.1-2
	25.04 plucky	Fixed 4.2.1-2
	24.10 oracular	Fixed 4.2.1-2
	24.04 LTS noble	Fixed 4.2.1-2
	23.10 mantic	Fixed 4.2.1-2
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 4.2.1-2
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 4.2.0-2ubuntu1.1
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Not affected

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-6711-1
CRM shell vulnerability
25 March 2024