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Vulnerability record · CVE-2007-4422 · published 18 August 2007

CVE-2007-4422: Symantec enterprise firewall vulnerability

Symantec · Enterprise Firewall

The login interface in Symantec Enterprise Firewall 6.x, when a VPN with pre-shared key (PSK) authentication is enabled, generates different responses depending on whether or not a username is valid, which allows remote attackers to enumerate valid usernames.

9.3 CVSS 2.0 High EPSS 2.6% · top 15.4%
9.3CVSS 2.0 base score
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

The login interface in Symantec Enterprise Firewall 6.x, when a VPN with pre-shared key (PSK) authentication is enabled, generates different responses depending on whether or not a username is valid, which allows remote attackers to enumerate valid usernames.

AV:N/AC:M/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://secunia.com/advisories/26511
http://www.osvdb.org/36489
http://www.securityfocus.com/bid/25338
http://www.securitytracker.com/id?1018578
http://www.symantec.com/avcenter/security/Content/2007.08.16.html Vendor Advisory
http://www.vupen.com/english/advisories/2007/2909
https://exchange.xforce.ibmcloud.com/vulnerabilities/36081
http://secunia.com/advisories/26511
http://www.osvdb.org/36489
http://www.securityfocus.com/bid/25338
http://www.securitytracker.com/id?1018578
http://www.symantec.com/avcenter/security/Content/2007.08.16.html Vendor Advisory
http://www.vupen.com/english/advisories/2007/2909
https://exchange.xforce.ibmcloud.com/vulnerabilities/36081

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

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Source: NIST National Vulnerability Database (record CVE-2007-4422), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.