Where
AND
-Infinity
0
Severity
6.4
AV:N/AC:L/Au:N/C:P/I:P/A:N

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

First published (updated )
Severity
5.9
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

strongSwan 5.0.2 through 6.0.7 has an Expired Pointer Dereference in PKCS#7 parsing in the openssl plugin.

First published (updated )
Severity
5
Null Pointer Dereference
AV:N/AC:L/Au:N/C:N/I:N/A:P

strongSwan 5.0.2 through 5.1.0 allows remote attackers to cause a denial of service (NULL pointer dereference and charon daemon crash) via a crafted IKEv1 fragmentation packet.

First published (updated )
Severity
5
Null Pointer Dereference
AV:N/AC:L/Au:N/C:N/I:N/A:P

strongSwan before 5.1.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a crafted IDDERASN1DN ID payload.

First published (updated )
Severity
4.9
AV:N/AC:M/Au:S/C:P/I:P/A:N

strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification, allows remote attackers to authenticate as other users via an invalid signature.

First published (updated )
Severity
3.7
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Last updated 21 September 2026

1 / 2
Source: Ubuntu
First published (updated )

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203