CVE-2015-4171

LowCVSS 2.6/10Last modified Jun 17, 2026

Description

strongSwan 4.3.0 through 5.x before 5.3.2 and strongSwan VPN Client before 1.4.6, when using EAP or pre-shared keys for authenticating an IKEv2 connection, does not enforce server authentication restrictions until the entire authentication process is complete, which allows remote servers to obtain credentials by using a valid certificate and then reading the responses.

Metrics

CVSS 2.0 2.6/10AV:N/AC:H/Au:N/C:P/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: Jun 10, 2015
Last modified: Jun 17, 2026
NVD status: Modified

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