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CVE-2021-45079

Publication date 24 January 2022

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

9.1 · Critical

Score breakdown

In strongSwan before 5.9.5, a malicious responder can send an EAP-Success message too early without actually authenticating the client and (in the case of EAP methods with mutual authentication and EAP-only authentication for IKEv2) even without server authentication.

Status

Package Ubuntu Release Status
strongswan 24.10 oracular
Fixed 5.9.4-1ubuntu4
24.04 LTS noble
Fixed 5.9.4-1ubuntu4
23.10 mantic
Fixed 5.9.4-1ubuntu4
23.04 lunar
Fixed 5.9.4-1ubuntu4
22.10 kinetic
Fixed 5.9.4-1ubuntu4
22.04 LTS jammy
Fixed 5.9.4-1ubuntu4
21.10 impish
Fixed 5.9.1-1ubuntu3.2
21.04 hirsute Ignored end of life
20.04 LTS focal
Fixed 5.8.2-1ubuntu3.4
18.04 LTS bionic
Fixed 5.6.2-1ubuntu2.8
16.04 LTS xenial
14.04 LTS trusty

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Severity score breakdown

Parameter Value
Base score 9.1 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H