What’s Vulnerable › Vulnerabilities

CVE-2005-3768

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2005-11-23 · updated 2026-06-16

Description

Buffer overflow in the Internet Key Exchange version 1 (IKEv1) implementation in Symantec Dynamic VPN Services, as used in Enterprise Firewall, Gateway Security, and Firewall /VPN Appliance products, allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.

Affected products

• Symantec Enterprise Firewall: 8.0
• Symantec Firewall Vpn Appliance 100: all versions
• Symantec Firewall Vpn Appliance 200: all versions
• Symantec Gateway Security 300: 2.0
• Symantec Gateway Security 400: 2.0
• Symantec Gateway Security 5000 Series: 3.0
• Symantec Gateway Security 5100: all versions
• Symantec Gateway Security 5300: 1.0
• Symantec Gateway Security 5310: 1.0
• Symantec Gateway Security 5400: 2.0.1

References

• http://secunia.com/advisories/17684
• http://securityresponse.symantec.com/avcenter/security/Content/2005.11.21.html
• http://securitytracker.com/id?1015247
• http://securitytracker.com/id?1015248
• http://securitytracker.com/id?1015249
• http://www.vupen.com/english/advisories/2005/2517
• http://secunia.com/advisories/17684
• http://securityresponse.symantec.com/avcenter/security/Content/2005.11.21.html
• http://securitytracker.com/id?1015247
• http://securitytracker.com/id?1015248
• http://securitytracker.com/id?1015249
• http://www.vupen.com/english/advisories/2005/2517

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