Security readout for executives and security teams
This is an old denial-of-service flaw in Cisco VPN 3000 Concentrators. A remote attacker could disrupt VPN availability by sending malformed or oversized ISAKMP packets. The main business risk is outage of legacy remote-access VPN infrastructure, not data theft based on the supplied sources. Exposure is most likely where legacy Cisco VPN 3000 Concentrators remain deployed and reachable by untrusted networks for ISAKMP/IKE traffic. Modern environments are unlikely to run this platform, but unmanaged legacy VPN appliances remain the key concern. Treat this as a legacy infrastructure availability issue. It is urgent only if affected Cisco VPN 3000 devices still support business-critical VPN access or remain exposed to untrusted networks. Mitigation focus: Inventory for Cisco VPN 3000 Concentrators and confirm software versions.; Review Cisco's advisory for fixed releases or vendor-supported migration guidance.; Retire unsupported legacy VPN 3000 appliances where possible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2002-1103 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
Products and packages named in the record
CWE details
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