CVE-2020-13250

Publication date 11 June 2020

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

HashiCorp Consul and Consul Enterprise include an HTTP API (introduced in 1.2.0) and DNS (introduced in 1.4.3) caching feature that was vulnerable to denial of service. Fixed in 1.6.6 and 1.7.4.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
consul	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not affected
	23.04 lunar	Not in release
	22.10 kinetic	Not affected
	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	Vulnerable
	19.10 eoan	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Notes

msalvatore

“Introduced in 1.2.0”

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H