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CVE-2021-28235

Published: 4 April 2023

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

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
etcd
Launchpad, Ubuntu, Debian
bionic
Released (3.2.17+dfsg-1ubuntu0.1+esm2)
Available with Ubuntu Pro
focal
Released (3.2.26+dfsg-6ubuntu0.2+esm1)
Available with Ubuntu Pro
jammy
Released (3.3.25+dfsg-7ubuntu0.22.04.1+esm1)
Available with Ubuntu Pro
kinetic
Released (3.3.25+dfsg-7ubuntu0.22.10.2)
lunar
Released (3.4.23-4ubuntu0.1)
trusty Ignored
(end of standard support)
xenial Needs triage

upstream
Released (v.3.4.25)
Patches:
upstream: https://github.com/etcd-io/etcd/commit/8b1cd036ffa83204b29f53bd74fae190e9187781 (v3.5.8)
upstream: https://github.com/etcd-io/etcd/commit/3618ab4b07cc9c0883b6a642da198877e25d612b (v.3.4.25)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H