9.1

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 methods with mutual authentication and EAP-only authentication for IKEv2) even without server authentication.

Data is provided by the National Vulnerability Database (NVD)
StrongswanStrongswan Version >= 4.1.2 < 5.9.5
DebianDebian Linux Version9.0
DebianDebian Linux Version10.0
DebianDebian Linux Version11.0
FedoraprojectFedora Version34
FedoraprojectFedora Version35
CanonicalUbuntu Linux Version14.04 SwEditionesm
CanonicalUbuntu Linux Version16.04 SwEditionesm
CanonicalUbuntu Linux Version18.04 SwEditionlts
CanonicalUbuntu Linux Version20.04 SwEditionlts
CanonicalUbuntu Linux Version21.10
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.1% 0.277
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
nvd@nist.gov 5.8 8.6 4.9
AV:N/AC:M/Au:N/C:P/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.