CVE-2007-4422

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-08-18 · updated 2026-06-16

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.

Affected products

Symantec Enterprise Firewall: 6

References

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
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

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