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    CVE-2014-2338

    IKEv2 in strongSwan 4.0.7 before 5.1.3 allows remote attackers to bypass authentication by rekeying an IKE_SA during (1) initiation or (2) re-authentication, which triggers the IKE_SA state to be set to established.

    Published:Apr 16, 2014
    Last Modified:Apr 12, 2025
    EPS:Apr 16, 2014
    EPSS Score:0.00315
    CVSS Score:6.4

    Affected Products

    Vendor
    Strongswan
    Product
    Strongswan

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

    CVE-2026-78135 (CVSS 5.6) — libcharon in strongSwan 5.9.7 through 6.0.7 mishandles behavioral workflow in the IKEv2 state machine. Because…
    CVE-2026-78134 (CVSS 7.1) — strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there…
    CVE-2026-78133 (CVSS 7.5) — libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling.…
    CVE-2026-78132 (CVSS 7.5) — strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietf…
    CVE-2026-78131 (CVSS 3.7) — strongSwan 4.2.0 through 6.0.7 has a missing release of memory after its effective lifetime in the x509 plugin…
    CVE-2026-78130 (CVSS 7.5) — strongSwan 4.2.0 through 6.0.7 has a NULL pointer dereference in the x509 plugin's attribute certificate parse…
    CVE-2026-78129 (CVSS 5.9) — strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.…
    CVE-2026-78127 (CVSS 3.7) — libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in th…
    CVE-2026-78126 (CVSS 5.9) — strongSwan 4.1.10 through 6.0.7 allows a NULL pointer dereference in the eap-aka plugin.…
    CVE-2026-78124 (CVSS 3.7) — strongSwan 5.0.2 through 6.0.7 allows PKCS#7 certificate enumeration in the openssl plugin that leads to a lac…

    References

    http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00010.html
    http://lists.opensuse.org/opensuse-updates/2014-05/msg00064.html
    http://lists.opensuse.org/opensuse-updates/2014-05/msg00066.html
    http://secunia.com/advisories/57823
    http://www.debian.org/security/2014/dsa-2903
    http://www.securityfocus.com/bid/66815
    http://www.strongswan.org/blog/2014/04/14/strongswan-authentication-bypass-vulnerability-%28cve-2014-2338%29.html
    http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00010.html
    http://lists.opensuse.org/opensuse-updates/2014-05/msg00064.html
    http://lists.opensuse.org/opensuse-updates/2014-05/msg00066.html
    http://secunia.com/advisories/57823
    http://www.debian.org/security/2014/dsa-2903
    http://www.securityfocus.com/bid/66815
    http://www.strongswan.org/blog/2014/04/14/strongswan-authentication-bypass-vulnerability-%28cve-2014-2338%29.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High