CVE catalog
CVE-2015-4171
strongswan: CVE-2015-4171
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.03% · Oct 27, 2026
strongSwan 4.3.0 through 5.x before 5.3.2 and strongSwan VPN Client before 1.4.6, when using EAP or pre-shared keys for authenticating an IKEv2 connection, does not enforce server authentication restrictions until the entire authentication process is complete, which allows remote servers to obtain credentials by using a valid certificate and then reading the responses.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | strongswan | sid | 6.1.0-2 | fixed |
| Debian | strongswan | forky | 6.1.0-2 | fixed |
| Debian | strongswan | trixie | 6.0.1-6+deb13u6 | fixed |
| Debian | strongswan | trixie-security | 6.0.1-6+deb13u7 | fixed |
| Debian | strongswan | bookworm | 5.9.8-5+deb12u5 | fixed |
| Debian | strongswan | bookworm-security | 5.9.8-5+deb12u5 | fixed |
| Ubuntu | strongswan | 14.04 | 4.6.4-9 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.0-2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.0-3 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu1 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu3 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu4 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu5 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu7 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu14 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu17 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~dr3+git20130120-0ubuntu2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~dr3+git20130120-0ubuntu3 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~rc1-0ubuntu3 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~rc1-0ubuntu4 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~rc2-0ubuntu2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2-0ubuntu1 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2-0ubuntu2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2-0ubuntu2.2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2-0ubuntu2.3 | fixed |
| Ubuntu | strongswan | 14.04 | 4.6.4-9 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.0-2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.0-3 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu1 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu3 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu4 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu5 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu7 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu14 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.1-0ubuntu17 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~dr3+git20130120-0ubuntu2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~dr3+git20130120-0ubuntu3 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~rc1-0ubuntu3 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~rc1-0ubuntu4 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2~rc2-0ubuntu2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2-0ubuntu1 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2-0ubuntu2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2-0ubuntu2.2 | vulnerable |
| Ubuntu | strongswan | 14.04 | 5.1.2-0ubuntu2.3 | fixed |
| Ubuntu | strongswan | 16.04 | 5.1.2-0ubuntu6 | fixed |
| Suse | strongswan | linux enterprise desktop 12 | 5.1.3-18.1 | fixed |
| Suse | strongswan | linux enterprise server 12 | 5.1.3-18.1 | fixed |
| Suse | strongswan | linux enterprise server for sap applications 12 | 5.1.3-18.1 | fixed |
| Suse | strongswan | linux enterprise server 11 sp4 | 4.4.0-6.29.2 | fixed |
| Suse | strongswan | linux enterprise server for sap applications 11 sp4 | 4.4.0-6.29.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | strongswan | source | sid | 5.3.1-1 | not yet assigned | Not reported | Not reported |
| Debian | strongswan | source | forky | 5.3.1-1 | not yet assigned | Not reported | Not reported |
| Debian | strongswan | source | trixie | 5.3.1-1 | not yet assigned | Not reported | Not reported |
| Debian | strongswan | source | bookworm | 5.3.1-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | strongswan | deb | 14.04 | 5.1.2-0ubuntu2.3 | Not reported | USN-2628-1 | Not reported |
| Ubuntu | strongswan | deb | 14.04 | 5.1.2-0ubuntu2.3 | Not reported | UBUNTU-CVE-2015-4171 | Not reported |
| Ubuntu | strongswan | deb | 16.04 | 5.1.2-0ubuntu6 | Not reported | UBUNTU-CVE-2015-4171 | Not reported |
| Suse | strongswan | rpm | linux enterprise desktop 12 | 5.1.3-18.1 | Not reported | SUSE-SU-2015:1196-1 | Not reported |
| Suse | strongswan | rpm | linux enterprise server 12 | 5.1.3-18.1 | Not reported | SUSE-SU-2015:1196-1 | Not reported |
| Suse | strongswan | rpm | linux enterprise server for sap applications 12 | 5.1.3-18.1 | Not reported | SUSE-SU-2015:1196-1 | Not reported |
| Suse | strongswan | rpm | linux enterprise server 11 sp4 | 4.4.0-6.29.2 | Not reported | SUSE-SU-2015:1791-1 | Not reported |
| Suse | strongswan | rpm | linux enterprise server for sap applications 11 sp4 | 4.4.0-6.29.2 | Not reported | SUSE-SU-2015:1791-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [charon-cmd]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [charon-systemd]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [libcharon-extauth-plugins]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [libcharon-extra-plugins]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [libstrongswan]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [libstrongswan-extra-plugins]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [libstrongswan-standard-plugins]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [strongswan]Unknown
Details (4)
5.9.8-5+deb12u5· all · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· all · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· all · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· all · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [strongswan-charon]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [strongswan-libcharon]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [strongswan-nm]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [strongswan-pki]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [strongswan-starter]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
- [strongswan-swanctl]Unknown
Source package: [strongswan]
Details (4)
5.9.8-5+deb12u5· amd64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookwormFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· amd64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
5.9.8-5+deb12u5· arm64 · bookworm-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · bookworm; dsa · strongswan · debian · 12
[Debian 13 (Trixie)]
- [charon-cmd]Unknown
Source package: [strongswan]
Details (5)
6.0.1-6+deb13u6· amd64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
- [charon-systemd]Unknown
Source package: [strongswan]
Details (5)
6.0.1-6+deb13u6· amd64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
- [libcharon-extauth-plugins]Unknown
Source package: [strongswan]
Details (5)
6.0.1-6+deb13u6· amd64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
- [libcharon-extra-plugins]Unknown
Source package: [strongswan]
Details (5)
6.0.1-6+deb13u6· amd64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
- [libstrongswan]Unknown
Source package: [strongswan]
Details (5)
6.0.1-6+deb13u6· amd64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
- [libstrongswan-extra-plugins]Unknown
Source package: [strongswan]
Details (5)
6.0.1-6+deb13u6· amd64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixieFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
6.0.1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
5.3.1-1dsa · strongswan · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2015_1196-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2015-4171]
- [https://osv.dev/vulnerability/DLA-244-1]
- [https://osv.dev/vulnerability/DSA-3282-1]
- [https://osv.dev/vulnerability/SUSE-SU-2015:1196-1]
- [https://osv.dev/vulnerability/SUSE-SU-2015:1791-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-4171]
- [https://osv.dev/vulnerability/USN-2628-1]
- [https://security-tracker.debian.org/tracker/CVE-2015-4171]
- [https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-4171.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]