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Vulnerability record · CVE-2002-2397 · published 31 December 2002

CVE-2002-2397: Symantec sygate personal firewall improper authentication vulnerability

Symantec · Sygate Personal Firewall

Sygate personal firewall 5.0 could allow remote attackers to bypass firewall filters via spoofed (1) source IP address of 127.0.0.1 or (2) network address of 127.0.0.0.

10.0 CVSS 2.0 High EPSS 2.2% · top 18.3% CWE-287 · Improper authentication
10.0CVSS 2.0 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Sygate personal firewall 5.0 could allow remote attackers to bypass firewall filters via spoofed (1) source IP address of 127.0.0.1 or (2) network address of 127.0.0.0.

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

Affected products

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

References

LinkTags
http://www.derkeiler.com/Mailing-Lists/VulnWatch/2002-09/0015.html
http://www.iss.net/security_center/static/10108.php
http://www.securiteam.com/windowsntfocus/5WP0I2A8AI.html
http://www22.brinkster.com/nssitech/nssilabs/nssi-2002-sygatepfw5.html
http://www.derkeiler.com/Mailing-Lists/VulnWatch/2002-09/0015.html
http://www.iss.net/security_center/static/10108.php
http://www.securiteam.com/windowsntfocus/5WP0I2A8AI.html
http://www22.brinkster.com/nssitech/nssilabs/nssi-2002-sygatepfw5.html

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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-2002-2397), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.