CVE-2006-3973

CVE-2006-3973 is a high-severity vulnerability in My Firewall Plus with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

My Firewall Plus 5.0 Build 1119 does not verify if explorer.exe is running before launching iexplore.exe from the "Test Your Firewall" feature, which allows local users to gain SYSTEM privileges.

Frequently asked questions

What is CVE-2006-3973?
My Firewall Plus 5.0 Build 1119 does not verify if explorer.exe is running before launching iexplore.exe from the "Test Your Firewall" feature, which allows local users to gain SYSTEM privileges.
How severe is CVE-2006-3973?
CVE-2006-3973 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2006-3973 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3973?
CVE-2006-3973 affects My Firewall Plus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-3973?
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-2006-3973 published?
CVE-2006-3973 was published on 2006-11-22 and last updated on 2026-06-16.

References

Affected products (1)