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ubuntucveUbuntu.comUB:CVE-2021-45079
HistoryJan 24, 2022 - 12:00 a.m.

CVE-2021-45079

2022-01-2400:00:00
ubuntu.com
ubuntu.com
6

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:N/A:P

0.002 Low

EPSS

Percentile

52.4%

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchstrongswan< 5.6.2-1ubuntu2.8UNKNOWN
ubuntu20.04noarchstrongswan< 5.8.2-1ubuntu3.4UNKNOWN
ubuntu21.10noarchstrongswan< 5.9.1-1ubuntu3.2UNKNOWN
ubuntu14.04noarchstrongswan< 5.1.2-0ubuntu2.11+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchstrongswan< 5.3.5-1ubuntu3.8+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu22.04noarchstrongswan< 5.9.4-1ubuntu4UNKNOWN
ubuntu22.10noarchstrongswan< 5.9.4-1ubuntu4UNKNOWN
ubuntu23.04noarchstrongswan< 5.9.4-1ubuntu4UNKNOWN
ubuntu23.10noarchstrongswan< 5.9.4-1ubuntu4UNKNOWN

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:N/A:P

0.002 Low

EPSS

Percentile

52.4%

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