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CVE-2015-4171

N/A

Published: June 10, 2015 at 06:00 PM UTC

Updated: June 17, 2026 at 12:26 AM UTC

4 products affected across 3 vendorsDebian LinuxUbuntu LinuxstrongSwan

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Severity

N/A

Exploit prediction

EPSS 2%

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 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux · Canonicalrubygems

95%

14.04 14.10 15.04

Debian Linux · Debiandrupal

95%

strongSwan · Strongswan

95%

4.3.0 4.3.1 4.3.2 4.3.3 4.3.4 4.3.5 4.3.6 4.3.7 4.4.0 4.4.1 4.5.0 4.5.1 4.5.2 4.5.3 4.6.0 4.6.1 4.6.2 4.6.3 4.6.4 5.0.0 5.0.1 5.0.2 5.0.3 5.0.4 5.1.0 5.1.1 5.1.2 5.1.3 5.2.0 5.2.1 5.2.2 5.2.3 5.3.0 5.3.1

Strongswan VPN Client · Strongswan

95%

v ≤ 1.4.5

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (12)

Vendor Advisoryx_refsource_SUSE

Source: [email protected]

http://lists.opensuse.org/opensuse-updates/2015-06/msg00040.html

Vendor Advisoryx_refsource_DEBIANPatch

Source: [email protected]

http://www.debian.org/security/2015/dsa-3282

Mailing Listx_refsource_MLIST

Source: [email protected]

http://www.openwall.com/lists/oss-security/2015/05/29/6

Mailing Listx_refsource_MLIST

Source: [email protected]

http://www.openwall.com/lists/oss-security/2015/05/29/7

Mailing Listx_refsource_MLIST

Source: [email protected]

http://www.openwall.com/lists/oss-security/2015/06/08/4

VDB Entryx_refsource_BID

Source: [email protected]

http://www.securityfocus.com/bid/74933

VDB Entryx_refsource_SECTRACK

Source: [email protected]

http://www.securitytracker.com/id/1032514

Vendor Advisoryx_refsource_UBUNTUPatch

Source: [email protected]

http://www.ubuntu.com/usn/USN-2628-1

CVSS

2.6LOW[email protected]

Confidentiality: PARTIAL
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-200

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