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Status published
Critical
CVE-2021-45079
In strongSwan before 5.9.5, a malicious responder can send an...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
strongswan
View all reports →Affected Software
strongswan, debian linux, extra packages for enterprise linux, fedora, ubuntu linux
Vulnerable Versions:
4.1.2, 9.0, 10.0, 11.0, 7.0, 8.0, 34, 35, 14.04, 16.04, 18.04, 20.04, 21.10
Timeline
Official Publish:
January 31st, 2022
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.