CVE-2021-3563

Publication date 26 August 2022

Last updated 12 November 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.4 · High

Score breakdown

Description

A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity.

Read the notes from the security team

Why is this CVE low priority?

Upstream keystone developers have rated this to be a low severity issue

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
keystone 25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular Ignored end of life, was deferred [2023-01-03]
24.04 LTS noble
Not affected
23.10 mantic Ignored end of life, was deferred [2023-01-03]
23.04 lunar Ignored end of life, was deferred [2023-01-03]
22.10 kinetic Ignored end of life, was deferred [2023-01-03]
22.04 LTS jammy
Vulnerable
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
Vulnerable
18.04 LTS bionic
Vulnerable
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Not in release

Notes

mdeslaur

fixed in 21.0.1, 22.0.1, 23.0.0.0rc1 fixed in (2:21.0.1-0ubuntu2) in jammy-updates, but not yet in -security

Severity score breakdown

Parameter Value
Base score 7.4 · High
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Other references