CVE-2011-3380
Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling…
Does this matter?
Lower severity and a low EPSS score (2.27%). Track it; it rarely justifies an emergency change on its own.
Description
Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 2.27% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- xelerance/openswan
- Source
- secalert@redhat.com
EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://secunia.com/advisories/46306
- http://www.openswan.org/download/CVE-2011-3380/CVE-2011-3380.txtPatch
- http://www.redhat.com/support/errata/RHSA-2011-1356.html
- http://secunia.com/advisories/46306
- http://www.openswan.org/download/CVE-2011-3380/CVE-2011-3380.txtPatch
- http://www.redhat.com/support/errata/RHSA-2011-1356.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.