CVE-2009-0790
The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8…
- 5.0MediumCVSS base score
- 3.2%Exploitation in 30 daysEPSS · top 12% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.
Timeline
ID reserved
By redhat
- 28 days later
· 28 days later
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.2% · top 12% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
17
- openswan-strongswan-dpd-dos(49523) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 34494 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:11171 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 34472 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-1759 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- ADV-2009-0886 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 1021949 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 34546 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20090330 CVE-2009-0790: ISAKMP DPD Remote Vulnerability with Openswan & Strongswan IPsec (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 34483 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.openswan.org/CVE-2009-0790/CVE-2009-0790.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1021950 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://download.strongswan.org/CHANGES4.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SR:2009:009 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2009:0402 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-1760 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 34296 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-0788 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-0790)Record last updated .