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Vulnerability record · CVE-2002-1463 · published 9 June 2003

CVE-2002-1463: Symantec enterprise firewall vulnerability

Symantec · Enterprise Firewall

Symantec Raptor Firewall 6.5 and 6.5.3, Enterprise Firewall 6.5.2 and 7.0, VelociRaptor Models 500/700/1000 and 1100/1200/1300, and Gateway Security 5110/5200/5300 generate easily predictable initial sequence numbers (ISN), which allows remote attackers to spoof connections.

7.5 CVSS 2.0 High EPSS 6.9% · top 6.1%
7.5CVSS 2.0 base score
6.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

Symantec Raptor Firewall 6.5 and 6.5.3, Enterprise Firewall 6.5.2 and 7.0, VelociRaptor Models 500/700/1000 and 1100/1200/1300, and Gateway Security 5110/5200/5300 generate easily predictable initial sequence numbers (ISN), which allows remote attackers to spoof connections.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2002-07/0492.html PatchVendor Advisory
http://www.osvdb.org/855
http://www.securityfocus.com/bid/5387
http://www.symantec.com/techsupp/bulletin/archive/firewall/082002firewall.html PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/12836
http://archives.neohapsis.com/archives/bugtraq/2002-07/0492.html PatchVendor Advisory
http://www.osvdb.org/855
http://www.securityfocus.com/bid/5387
http://www.symantec.com/techsupp/bulletin/archive/firewall/082002firewall.html PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/12836

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2002-1463), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.