CVE-2021-45079

Published Jan 31, 2022 CVSS 3.1 · 9.1 Critical EPSS 2.8% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2909-1 strongswan security update
Debian DSA Debian DSA DSA-5056-1 strongswan security update
EUVD EUVD EUVD-2021-31872 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.
Ubuntu USN Ubuntu USN USN-5250-1 strongSwan vulnerability
Ubuntu USN Ubuntu USN USN-5250-2 strongSwan vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 4:32 AM
Reserved
Dec 16, 2021, 12:00 AM
Status
Modified
Published
Jan 31, 2022, 8:15 AM
Modified
Jun 17, 2026, 4:13 AM