VULNERABILITY INTELLIGENCE
CVE-2009-1957
CVSS score5 NONE
EPSS probability2.95%
CISA KEVNot currently listed
Published2009-06-08
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
Description
charon/sa/ike_sa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an invalid IKE_SA_INIT request that triggers "an incomplete state," followed by a CREATE_CHILD_SA request.
Weakness classification
- nvd@nist.gov: CWE-399