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TI-2009-00752 Aliases CVE-2009-0790GHSA-xf8f-c2h7-7qmc

The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before…

Priority LOW 29CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.03205 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 60

CPEVersionsRoleVendor
cpe:2.3:a:strongswan:strongswan:2.4.0:*:*:*:*:*:*:*2.4.0VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.4.0a:*:*:*:*:*:*:*2.4.0aVulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.4.1:*:*:*:*:*:*:*2.4.1VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.4.2:*:*:*:*:*:*:*2.4.2VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.4.3:*:*:*:*:*:*:*2.4.3VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.4.4:*:*:*:*:*:*:*2.4.4VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.6.0:*:*:*:*:*:*:*2.6.0VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.6.1:*:*:*:*:*:*:*2.6.1VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.6.2:*:*:*:*:*:*:*2.6.2VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.6.3:*:*:*:*:*:*:*2.6.3VulnerablestrongSwan
  • cpe:2.3:a:strongswan:strongswan:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.4.0a:*:*:*:*:*:*:* Versions 2.4.0a Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.6.3:*:*:*:*:*:*:* Versions 2.6.3 Vulnerable ·strongSwan
Show 50 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:strongswan:strongswan:2.6.4:*:*:*:*:*:*:*2.6.4VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.0:*:*:*:*:*:*:*2.8.0VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.1:*:*:*:*:*:*:*2.8.1VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.2:*:*:*:*:*:*:*2.8.2VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.3:*:*:*:*:*:*:*2.8.3VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.4:*:*:*:*:*:*:*2.8.4VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.5:*:*:*:*:*:*:*2.8.5VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.6:*:*:*:*:*:*:*2.8.6VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.7:*:*:*:*:*:*:*2.8.7VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:2.8.8:*:*:*:*:*:*:*2.8.8VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.0:*:*:*:*:*:*:*4.2.0VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.1:*:*:*:*:*:*:*4.2.1VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.2:*:*:*:*:*:*:*4.2.2VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.3:*:*:*:*:*:*:*4.2.3VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.4:*:*:*:*:*:*:*4.2.4VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.5:*:*:*:*:*:*:*4.2.5VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.6:*:*:*:*:*:*:*4.2.6VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.7:*:*:*:*:*:*:*4.2.7VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.8:*:*:*:*:*:*:*4.2.8VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.9:*:*:*:*:*:*:*4.2.9VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.10:*:*:*:*:*:*:*4.2.10VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.11:*:*:*:*:*:*:*4.2.11VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.12:*:*:*:*:*:*:*4.2.12VulnerablestrongSwan
cpe:2.3:a:strongswan:strongswan:4.2.13:*:*:*:*:*:*:*4.2.13VulnerablestrongSwan
cpe:2.3:a:xelerance:openswan:2.4.0:*:*:*:*:*:*:*2.4.0VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.4.1:*:*:*:*:*:*:*2.4.1VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.4.2:*:*:*:*:*:*:*2.4.2VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.4.3:*:*:*:*:*:*:*2.4.3VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.4.4:*:*:*:*:*:*:*2.4.4VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.4.5:*:*:*:*:*:*:*2.4.5VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.4.9:*:*:*:*:*:*:*2.4.9VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.4.10:*:*:*:*:*:*:*2.4.10VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.03:*:*:*:*:*:*:*2.6.03VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.04:*:*:*:*:*:*:*2.6.04VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.05:*:*:*:*:*:*:*2.6.05VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.06:*:*:*:*:*:*:*2.6.06VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.07:*:*:*:*:*:*:*2.6.07VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.08:*:*:*:*:*:*:*2.6.08VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.09:*:*:*:*:*:*:*2.6.09VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.10:*:*:*:*:*:*:*2.6.10VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.11:*:*:*:*:*:*:*2.6.11VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.12:*:*:*:*:*:*:*2.6.12VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.13:*:*:*:*:*:*:*2.6.13VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.14:*:*:*:*:*:*:*2.6.14VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.15:*:*:*:*:*:*:*2.6.15VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.16:*:*:*:*:*:*:*2.6.16VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.17:*:*:*:*:*:*:*2.6.17VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.18:*:*:*:*:*:*:*2.6.18VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.19:*:*:*:*:*:*:*2.6.19VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.20:*:*:*:*:*:*:*2.6.20VulnerableXelerance
  • cpe:2.3:a:strongswan:strongswan:2.6.4:*:*:*:*:*:*:* Versions 2.6.4 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.0:*:*:*:*:*:*:* Versions 2.8.0 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.1:*:*:*:*:*:*:* Versions 2.8.1 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.2:*:*:*:*:*:*:* Versions 2.8.2 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.3:*:*:*:*:*:*:* Versions 2.8.3 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.4:*:*:*:*:*:*:* Versions 2.8.4 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.5:*:*:*:*:*:*:* Versions 2.8.5 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.6:*:*:*:*:*:*:* Versions 2.8.6 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.7:*:*:*:*:*:*:* Versions 2.8.7 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:2.8.8:*:*:*:*:*:*:* Versions 2.8.8 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.4:*:*:*:*:*:*:* Versions 4.2.4 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.5:*:*:*:*:*:*:* Versions 4.2.5 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.6:*:*:*:*:*:*:* Versions 4.2.6 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.7:*:*:*:*:*:*:* Versions 4.2.7 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.8:*:*:*:*:*:*:* Versions 4.2.8 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.9:*:*:*:*:*:*:* Versions 4.2.9 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.10:*:*:*:*:*:*:* Versions 4.2.10 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.11:*:*:*:*:*:*:* Versions 4.2.11 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.12:*:*:*:*:*:*:* Versions 4.2.12 Vulnerable ·strongSwan
  • cpe:2.3:a:strongswan:strongswan:4.2.13:*:*:*:*:*:*:* Versions 4.2.13 Vulnerable ·strongSwan
  • cpe:2.3:a:xelerance:openswan:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.4.5:*:*:*:*:*:*:* Versions 2.4.5 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.4.9:*:*:*:*:*:*:* Versions 2.4.9 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.4.10:*:*:*:*:*:*:* Versions 2.4.10 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.03:*:*:*:*:*:*:* Versions 2.6.03 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.04:*:*:*:*:*:*:* Versions 2.6.04 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.05:*:*:*:*:*:*:* Versions 2.6.05 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.06:*:*:*:*:*:*:* Versions 2.6.06 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.07:*:*:*:*:*:*:* Versions 2.6.07 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.08:*:*:*:*:*:*:* Versions 2.6.08 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.09:*:*:*:*:*:*:* Versions 2.6.09 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.10:*:*:*:*:*:*:* Versions 2.6.10 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.11:*:*:*:*:*:*:* Versions 2.6.11 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.12:*:*:*:*:*:*:* Versions 2.6.12 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.13:*:*:*:*:*:*:* Versions 2.6.13 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.14:*:*:*:*:*:*:* Versions 2.6.14 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.15:*:*:*:*:*:*:* Versions 2.6.15 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.16:*:*:*:*:*:*:* Versions 2.6.16 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.17:*:*:*:*:*:*:* Versions 2.6.17 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.18:*:*:*:*:*:*:* Versions 2.6.18 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.19:*:*:*:*:*:*:* Versions 2.6.19 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.20:*:*:*:*:*:*:* Versions 2.6.20 Vulnerable ·Xelerance

Remediation

Red Hat 1 advisory

  • RHSA-2009:0402 Released 2009-03-30 · Red Hat rating Important
    openswan security update
    • Red Hat Enterprise Linux (v. 5 server) openswan-2.6.14-1.el5_3.2, openswan-2.6.14-1.el5_3.2.i386, openswan-2.6.14-1.el5_3.2.ia64 +5
    • Red Hat Enterprise Linux Desktop (v. 5 client) openswan-2.6.14-1.el5_3.2, openswan-2.6.14-1.el5_3.2.i386, openswan-doc-2.6.14-1.el5_3.2 +1

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2009:0402
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2009:0402

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-0790
  2. 2026-10-03 Alias added: GHSA-xf8f-c2h7-7qmc

References

Patch 2

Advisory 4

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences