NetSight
critical9.1

CVE-2021-45079

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 …

Impact

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.

Affected products

VendorProductAffected versions
StrongswanStrongswan
from 4.1.2 before 5.9.5
DebianDebian Linux
Versions 9.0, 10.0, 11.0
FedoraprojectExtra Packages For Enterprise Linux
Versions 7.0, 8.0, 9.0
FedoraprojectFedora
Versions 34, 35
CanonicalUbuntu Linux
Versions 14.04, 16.04, 18.04, 20.04, 21.10

Weakness classification

References