CVE-2007-1793

CVE-2007-1793 is a medium-severity vulnerability in Symantec Antivirus with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.9)
• EPSS exploit prediction: 2% (75th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Symantec Antivirus
• Published: 2007-04-02
• Last modified: 2026-06-16

Description

SPBBCDrv.sys in Symantec Norton Personal Firewall 2006 9.1.0.33 and 9.1.1.7 does not validate certain arguments before being passed to hooked SSDT function handlers, which allows local users to cause a denial of service (crash) or possibly execute arbitrary code via crafted arguments to the (1) NtCreateMutant and (2) NtOpenEvent functions. NOTE: it was later reported that Norton Internet Security 2008 15.0.0.60, and possibly other versions back to 2006, are also affected.

Frequently asked questions

What is CVE-2007-1793?

SPBBCDrv.sys in Symantec Norton Personal Firewall 2006 9.1.0.33 and 9.1.1.7 does not validate certain arguments before being passed to hooked SSDT function handlers, which allows local users to cause a denial of service (crash) or possibly execute arbitrary code via crafted arguments to the (1) NtCreateMutant and (2) NtOpenEvent functions. NOTE: it was later reported that Norton Internet Security 2008 15.0.0.60, and possibly other versions back to 2006, are also affected.

How severe is CVE-2007-1793?

CVE-2007-1793 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2007-1793 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1793?

CVE-2007-1793 primarily affects Symantec Antivirus. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-1793?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-1793 published?

CVE-2007-1793 was published on 2007-04-02 and last updated on 2026-06-16.

References

• http://osvdb.org/34692
• http://secunia.com/advisories/24677
• http://securityresponse.symantec.com/avcenter/security/Content/2008.12.12.html
• http://www.matousec.com/info/advisories/Norton-Multiple-insufficient-argument-validation-of-hooked-SSDT-functions.php
• http://www.matousec.com/info/advisories/plague-in-security-software-drivers.php
• http://www.matousec.com/projects/windows-personal-firewall-analysis/plague-in-security-software-drivers.php
• http://www.securityfocus.com/archive/1/464456/100/0/threaded
• http://www.securityfocus.com/archive/1/479830/100/0/threaded
• http://www.securityfocus.com/bid/23241
• http://www.securitytracker.com/id?1017837
• http://www.securitytracker.com/id?1017838
• http://www.securitytracker.com/id?1021386
• http://www.securitytracker.com/id?1021387
• http://www.securitytracker.com/id?1021388
• http://www.securitytracker.com/id?1021389
• http://www.vupen.com/english/advisories/2007/1192
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33352

Affected products (56)

• cpe:2.3:a:symantec:antivirus:10.0:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.1:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.1.1:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.2:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.2.1:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.2.2:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.3:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.4:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.5:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.6:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.7:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.8:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:antivirus:10.0.9:*:corporate:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.0.359:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.1.1000:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.1.1001:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.1.1007:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.1.1008:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.1.1009:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.2.2000:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.2.2001:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.2.2002:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.2.2010:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.2.2011:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.2.2020:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.0.2.2021:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.1:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.1.0.396:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.1.0.401:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.1.394:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.1.396:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.1.400:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:client_security:3.1.401:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:norton_360:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:norton_antispam:2004:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:norton_antispam:2005:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:norton_antivirus:2004:*:*:*:*:*:*:*
• cpe:2.3:a:symantec:norton_antivirus:2005:*:*:*:*:*:*:*

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