Security readout for executives and security teams
This vulnerability can let a remote party crash and restart the Openswan IKE daemon by sending malformed IKEv2 traffic. The main business impact is VPN availability, not known data theft or code execution. It matters most where legacy Openswan gateways are still internet-facing or support critical connectivity. Exposure is likely limited to organizations still running Openswan 2.6.39 or earlier, especially IPsec/IKEv2 VPN endpoints reachable from untrusted networks. Modern systems using maintained packages may already include distribution fixes, but legacy appliances and unmanaged servers should be checked. Prioritize remediation for internet-facing or business-critical VPN gateways. The issue is old and not listed in KEV, but a remote availability failure on VPN infrastructure can still disrupt operations and incident response access. Mitigation focus: Inventory Openswan deployments and confirm whether any run version 2.6.39 or earlier.; Apply relevant vendor security updates from Red Hat, Debian, or your distribution.; If unsupported, migrate affected VPN service to a maintained vendor-supported release..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2013-6466 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://libreswan.org/security/CVE-2013-6467/CVE-2013-6467.txtCVE reference · x_refsource_MISC
- https://cert.vde.com/en-us/advisories/vde-2017-001CVE reference · x_refsource_CONFIRM
- openswan-cve20136466-dos(90524)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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