CVE-2007-4422
The login interface in Symantec Enterprise Firewall 6.x, when a VPN with pre-shared key (PSK)...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-4422- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-4422- Updated
- 2026-11-02
EUVDEUVD-2007-4405 No score
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.
- Record
EUVD-2007-4405- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-62wr-2p42-ccr4 No score
The login interface in Symantec Enterprise Firewall 6.x, when a VPN with pre-shared key (PSK)...
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.
- Record
GHSA-62wr-2p42-ccr4- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, references, title | GitHub Advisories | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-4422 is a high vulnerability (CVSS 9.3) in Symantec Enterprise Firewall, published August 18, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.58%, the 85th percentile. No source names a fixed version.
References
secunia.com/advisories/26511
securitytracker.com/id?1018578
securityfocus.com/bid/25338
symantec.com/avcenter/security/Content/2007.08.16.html
osvdb.org/36489
exchange.xforce.ibmcloud.com/vulnerabilities/36081
vupen.com/english/advisories/2007/2909
nvd.nist.gov/vuln/detail/CVE-2007-4422
github.com/advisories/GHSA-62wr-2p42-ccr4