Vulnerability Monitor

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CVE-2005-3768

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.

Security Impact Summary

CVE-2005-3768 is a security vulnerability that . Impacting 10 products from symantec, from symantec, from symantec and 7 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2005, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2005-11-23T00:03:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	symantec	enterprise_firewall	8.0	Yes
Application	symantec	enterprise_firewall	8.0	Yes
Hardware	symantec	firewall_vpn_appliance_100	*	Yes
Hardware	symantec	firewall_vpn_appliance_200	*	Yes
Hardware	symantec	gateway_security_300	2.0	Yes
Hardware	symantec	gateway_security_400	2.0	Yes
Hardware	symantec	gateway_security_5000_series	3.0	Yes
Hardware	symantec	gateway_security_5100	*	Yes
Hardware	symantec	gateway_security_5300	1.0	Yes
Hardware	symantec	gateway_security_5310	1.0	Yes
Hardware	symantec	gateway_security_5400	2.0.1	Yes

References

http://secunia.com/advisories/17684 Patch, Vendor Advisory ([email protected])
http://securityresponse.symantec.com/avcenter/security/Content/2005.11.21.html Patch, Vendor Advisory ([email protected])
http://securitytracker.com/id?1015247 Patch ([email protected])
http://securitytracker.com/id?1015248 Patch ([email protected])
http://securitytracker.com/id?1015249 Patch ([email protected])
http://www.vupen.com/english/advisories/2005/2517 ([email protected])
http://secunia.com/advisories/17684 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityresponse.symantec.com/avcenter/security/Content/2005.11.21.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1015247 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1015248 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1015249 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2005/2517 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For symantec's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.