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CVE-2015-8023
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…
Medium5.0EPSS 2.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 2.6% · top 15% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (6)
- SUSE-SU-2015:2183 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://www.strongswan.org/blog/2015/11/16/strongswan-vulnerability-%28cve-2015-8023%29.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2015:2103 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 84947 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-3398 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-2811-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2015-8023)Record last updated .