CVE-2021-28235

Publication date 4 April 2023

Last updated 11 July 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.

Status

Package Ubuntu Release Status
etcd 26.04 LTS resolute
Needs evaluation
25.10 questing Ignored end of life, was needs-triage
25.04 plucky Ignored end of life, was needs-triage
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar
Fixed 3.4.23-4ubuntu0.1
22.10 kinetic
Fixed 3.3.25+dfsg-7ubuntu0.22.10.2
22.04 LTS jammy
Fixed 3.3.25+dfsg-7ubuntu0.22.04.1+esm1
20.04 LTS focal
Fixed 3.2.26+dfsg-6ubuntu0.2+esm1
18.04 LTS bionic
Fixed 3.2.17+dfsg-1ubuntu0.1+esm2
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
etcd

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

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

References

Related Ubuntu Security Notices (USN)

Other references

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