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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Strongswan ≫ Strongswan Version >= 4.1.2 < 5.9.5
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
Debian ≫ Debian Linux Version 11.0
Fedoraproject ≫ Fedora Version 34
Fedoraproject ≫ Fedora Version 35
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 21.10
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.78% 0.847
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 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
NIST 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.

https://www.strongswan.org/blog/2022/01/24/strongswan-vulnerability-%28cve-2021-45079%29.html