CVE-2015-4171
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.02% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 80.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-06-10 18:00Z11 YR AGO
- Last updated
- 2024-08-06 06:04Z2 YR AGO
- Reserved
- 2015-06-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- 255f5476c3781ae2f55173d30b15163adc2c654327f790d4d5ec222d941af759
05 Affected products
06 References
- www.securitytracker.com1032514http://www.securitytracker.com/id/1032514
- www.strongswan.orghttps://www.strongswan.org/blog/2015/06/08/strongswan-vulnerability-%2528cve-2015-4171%2529.html
- lists.opensuse.orgopenSUSE-SU-2015:1082http://lists.opensuse.org/opensuse-updates/2015-06/msg00040.html
- www.openwall.com[oss-security] 20150608 Re: StrongSwan VPN client for Android leaks username to rouge serverhttp://www.openwall.com/lists/oss-security/2015/06/08/4
- www.suse.comhttps://www.suse.com/security/cve/CVE-2015-4171.html
- www.openwall.com[oss-security] 20150529 StrongSwan VPN client for Android leaks username to rouge serverhttp://www.openwall.com/lists/oss-security/2015/05/29/6
- www.openwall.com[oss-security] 20150529 Re: StrongSwan VPN client for Android leaks username to rouge serverhttp://www.openwall.com/lists/oss-security/2015/05/29/7
- play.google.comhttps://play.google.com/store/apps/details?id=org.strongswan.android
- www.ubuntu.comUSN-2628-1http://www.ubuntu.com/usn/USN-2628-1
- www.debian.orgDSA-3282http://www.debian.org/security/2015/dsa-3282
- www.securityfocus.com74933http://www.securityfocus.com/bid/74933
- bugzilla.suse.comhttps://bugzilla.suse.com/show_bug.cgi?id=933591
07 Fixed in
Debian 12
- strongswan Fixed in 5.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- strongswan Fixed in 5.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- strongswan Fixed in 5.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- strongswan Fixed in 5.1.2-0ubuntu2.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- strongswan Fixed in 5.1.2-0ubuntu6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.