CVE-2004-0445
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004,...
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.
Exploit likelihood
What each source reports
NVD Score used
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.
- Record
CVE-2004-0445- CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.
- Record
CVE-2004-0445- Updated
- 2026-11-02
EUVDEUVD-2004-0444 No score
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.
- Record
EUVD-2004-0444- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6p52-7j69-f67w No score
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004,...
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.
- Record
GHSA-6p52-7j69-f67w- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Symantec Multiple Firewall - DNS Response Denial of Service | 2004-05-16 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-0445 is a low vulnerability (CVSS 2.6) in Symantec Client Firewall, published May 20, 2004. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.0%, the 95th percentile. No source names a fixed version.
References
securitytracker.com/id?1010146
ciac.org/ciac/bulletins/o-141.shtml
kb.cert.org/vuls/id/682110
osvdb.org/6100
exchange.xforce.ibmcloud.com/vulnerabilities/16132