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Unrated severityNVD Advisory· Published Sep 5, 2002· Updated Jun 16, 2026

CVE-2002-0852

CVE-2002-0852

Description

Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • Cisco Systems, Inc./VPN Client9 versions
    cpe:2.3:a:cisco:vpn_client:3.5.1:*:linux:*:*:*:*:*+ 8 more
    • cpe:2.3:a:cisco:vpn_client:3.5.1:*:linux:*:*:*:*:*
    • cpe:2.3:a:cisco:vpn_client:3.5.1:*:mac_os_x:*:*:*:*:*
    • cpe:2.3:a:cisco:vpn_client:3.5.1:*:solaris:*:*:*:*:*
    • cpe:2.3:a:cisco:vpn_client:3.5.1:*:windows:*:*:*:*:*
    • cpe:2.3:a:cisco:vpn_client:3.5.2:*:linux:*:*:*:*:*
    • cpe:2.3:a:cisco:vpn_client:3.5.2:*:mac_os_x:*:*:*:*:*
    • cpe:2.3:a:cisco:vpn_client:3.5.2:*:solaris:*:*:*:*:*
    • cpe:2.3:a:cisco:vpn_client:3.5.2:*:windows:*:*:*:*:*
    • (no CPE)range: <=3.5.4

Patches

Vulnerability mechanics

References

1

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