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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2015-8023 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00025.html CVE, MITRE
http://lists.opensuse.org/opensuse-updates/2015-11/msg00139.html CVE, MITRE
http://www.debian.org/security/2015/dsa-3398 CVE, MITRE
http://www.securityfocus.com/bid/84947 CVE, MITRE
http://www.ubuntu.com/usn/USN-2811-1 CVE, MITRE
https://www.strongswan.org/blog/2015/11/16/strongswan-vulnerability-%28cve-2015-8023%29.html CVE, MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-264 Permissions, Privileges, and Access Controls cwe source acceptance level NIST  
CWE-20 Improper Input Validation cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8023
NVD Published Date:
11/18/2015
NVD Last Modified:
04/12/2025
Source:
MITRE