CVE-2004-0445
CVE-2004-0445 is a low-severity vulnerability in Symantec Client Firewall with a CVSS 2.0 base score of 2.6. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Low (CVSS 2.0 base score 2.6)
- EPSS exploit prediction: 11% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Symantec Client Firewall
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2004-0445?
- 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.
- How severe is CVE-2004-0445?
- CVE-2004-0445 has a CVSS 2.0 base score of 2.6, rated low severity.
- Is CVE-2004-0445 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2004-0445?
- CVE-2004-0445 primarily affects Symantec Client Firewall. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2004-0445?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2004-0445 published?
- CVE-2004-0445 was published on 2004-07-07 and last updated on 2026-06-16.
References
- http://lists.grok.org.uk/pipermail/full-disclosure/2004-May/021359.html
- http://secunia.com/advisories/11066
- http://securityresponse.symantec.com/avcenter/security/Content/2004.05.12.html
- http://securitytracker.com/id?1010144
- http://securitytracker.com/id?1010145
- http://securitytracker.com/id?1010146
- http://www.ciac.org/ciac/bulletins/o-141.shtml
- http://www.kb.cert.org/vuls/id/682110
- http://www.osvdb.org/6100
- http://www.securityfocus.com/bid/10336
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16132
Affected products (23)
- cpe:2.3:a:symantec:client_firewall:5.01:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_firewall:5.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.3:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.4:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.5:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.6:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.7:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.8:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:1.9:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:client_security:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:norton_antispam:2004:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:norton_internet_security:2002:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:norton_internet_security:2002:*:pro:*:*:*:*:*
- cpe:2.3:a:symantec:norton_internet_security:2003:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:norton_internet_security:2003:*:pro:*:*:*:*:*
- cpe:2.3:a:symantec:norton_internet_security:2004:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:norton_internet_security:2004:*:pro:*:*:*:*:*
- cpe:2.3:a:symantec:norton_personal_firewall:2002:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:norton_personal_firewall:2003:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:norton_personal_firewall:2004:*:*:*:*:*:*:*
More vulnerabilities in Symantec Client Firewall
- CVE-2004-0444 — Critical (CVSS 10.0): Multiple vulnerabilities in SYMDNS.SYS for Symantec Norton Internet Security and Professional 2002 through 2004, Norton…
- CVE-2004-0375 — Medium (CVSS 5.0): SYMNDIS.SYS in Symantec Norton Internet Security 2003 and 2004, Norton Personal Firewall 2003 and 2004, Client Firewall…