How severe is CVE-2007-3021?

CVE-2007-3021 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2007-3021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3021?

CVE-2007-3021 primarily affects Symantec Client Security. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3021?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-3021 published?

CVE-2007-3021 was published on 2007-06-05 and last updated on 2026-06-16.

CVE-2007-3021

CVE-2007-3021 is a high-severity vulnerability in Symantec Client Security with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Client Security
Published: 2007-06-05
Last modified: 2026-06-16

Description

Symantec Reporting Server 1.0.197.0, and other versions before 1.0.224.0, as used in Symantec Client Security 3.1 and later, and Symantec AntiVirus Corporate Edition (SAV CE) 10.1 and later, does not initialize a critical variable, which allows attackers to create arbitrary executable files via unknown manipulations of a file that is created during data export.

Frequently asked questions

What is CVE-2007-3021?: Symantec Reporting Server 1.0.197.0, and other versions before 1.0.224.0, as used in Symantec Client Security 3.1 and later, and Symantec AntiVirus Corporate Edition (SAV CE) 10.1 and later, does not initialize a critical variable, which allows attackers to create arbitrary executable files via unknown manipulations of a file that is created during data export.
How severe is CVE-2007-3021?: CVE-2007-3021 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-3021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3021?: CVE-2007-3021 primarily affects Symantec Client Security. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-3021 published?: CVE-2007-3021 was published on 2007-06-05 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:symantec:client_security:3.1:*:*:*:*:*:*:*
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_antivirus:10.0.2.2021:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:norton_antivirus:10.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:norton_antivirus:10.1.396:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:norton_antivirus:10.1.400:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:norton_antivirus:10.1.401:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:reporting_server:*:*:*:*:*:*:*:*

More vulnerabilities in Symantec Client Security

CVE-2010-0108 — Critical (CVSS 10.0): Buffer overflow in the cliproxy.objects.1 ActiveX control in the Symantec Client Proxy (CLIproxy.dll) in Symantec…
CVE-2009-1429 — Critical (CVSS 10.0): The Intel LANDesk Common Base Agent (CBA) in Symantec Alert Management System 2 (AMS2), as used in Symantec System…
CVE-2006-2630 — Critical (CVSS 10.0): Stack-based buffer overflow in Symantec Antivirus 10.1 and Client Security 3.1 allows remote attackers to execute…
CVE-2004-0444 — Critical (CVSS 10.0): Multiple vulnerabilities in SYMDNS.SYS for Symantec Norton Internet Security and Professional 2002 through 2004, Norton…
CVE-2010-0107 — Critical (CVSS 9.3): Buffer overflow in an ActiveX control (SYMLTCOM.dll) in Symantec N360 1.0 and 2.0; Norton Internet Security, AntiVirus,…
CVE-2009-1431 — Critical (CVSS 9.3): XFR.EXE in the Intel File Transfer service in the console in Symantec Alert Management System 2 (AMS2), as used in…

All CVEs affecting Symantec Client Security →