VULNERABILITY INTELLIGENCE
CVE-2015-8023
CVSS score5 MEDIUM
EPSS probability2.58%
CISA KEVNot currently listed
Published2015-11-18
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N
Description
The server implementation of the EAP-MSCHAPv2 protocol in the eap-mschapv2 plugin in strongSwan 4.2.12 through 5.x before 5.3.4 does not properly validate local state, which allows remote attackers to bypass authentication via an empty Success message in response to an initial Challenge message.
Weakness classification
- CWE-20: Improper Input Validation