CVE-2002-0990

The web proxy component in Symantec Enterprise Firewall (SEF) 6.5.2 through 7.0, Raptor Firewall 6.5 and 6.5.3, VelociRaptor, and Symantec Gateway Security allow remote attackers to cause a denial of service (connection resource exhaustion) via multiple connection requests to domains whose DNS server is unresponsive or does not exist, which generates a long timeout.

Published: 2002-10-28 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0990 is rated Moderate Risk (46.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.67%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2002-0990

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.07% 1.67% +0.60%
2 2025-12-04 0.82% 1.07% +0.25%
3 2025-03-30 — 0.82% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0990

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-0990

Affected software / configurations for CVE-2002-0990

Vendor Product Version Raw CPE
symantec enterprise_firewall 6.5.2 cpe:2.3:a:symantec:enterprise_firewall:6.5.2:*:windows_2000_nt:*:*:*:*:*
symantec enterprise_firewall 7.0 cpe:2.3:a:symantec:enterprise_firewall:7.0:*:solaris:*:*:*:*:*
symantec enterprise_firewall 7.0 cpe:2.3:a:symantec:enterprise_firewall:7.0:*:windows_2000_nt:*:*:*:*:*
symantec raptor_firewall 6.5 cpe:2.3:a:symantec:raptor_firewall:6.5:*:windows_nt:*:*:*:*:*
symantec raptor_firewall 6.5.3 cpe:2.3:a:symantec:raptor_firewall:6.5.3:*:solaris:*:*:*:*:*
symantec velociraptor 500 cpe:2.3:a:symantec:velociraptor:500:*:*:*:*:*:*:*
symantec velociraptor 700 cpe:2.3:a:symantec:velociraptor:700:*:*:*:*:*:*:*
symantec velociraptor 1000 cpe:2.3:a:symantec:velociraptor:1000:*:*:*:*:*:*:*
symantec velociraptor 1100 cpe:2.3:a:symantec:velociraptor:1100:*:*:*:*:*:*:*
symantec velociraptor 1200 cpe:2.3:a:symantec:velociraptor:1200:*:*:*:*:*:*:*
symantec velociraptor 1300 cpe:2.3:a:symantec:velociraptor:1300:*:*:*:*:*:*:*
symantec gateway_security 5110 cpe:2.3:h:symantec:gateway_security:5110:*:*:*:*:*:*:*
symantec gateway_security 5200 cpe:2.3:h:symantec:gateway_security:5200:*:*:*:*:*:*:*
symantec gateway_security 5300 cpe:2.3:h:symantec:gateway_security:5300:*:*:*:*:*:*:*

References for CVE-2002-0990

cvelogic Threat Intelligence