CVE-2006-3973: My Firewall Plus 5.0 Build 1119 does not verify if explorer.exe is running before launching iexplore.exe from

Routine

HIGH 7.2MITIGATE

CVE-2006-3973 is a high-severity flaw (CVSS 7.2) affecting my firewall plus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Published	2006-11-22
Last modified	2026-06-16

Publisher (CNA): Flexera Software LLC · Vendor: my firewall plus

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-11-22 11:07 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

my firewall plus my firewall plus MITIGATE

Affected: 5.0_build_1119

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0_build_1119

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-3973?

my firewall plus: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-3973 being exploited?

CVE-2006-3973 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-3973 affect?

CVE-2006-3973 affects my firewall plus. Severity is high (CVSS 7.2). 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 urgent is CVE-2006-3973?

Priority 32/100. High severity

Related CVEs

CVE-2005-0515 LOW 2.1 DOWNGRADE Smc.exe in My Firewall Plus 5.0 build 1117, and possibly other versions, does not drop privileges before launc
CVE-2004-1313 HIGH 7.2 DOWNGRADE The Smc.exe process in My Firewall Plus 5.0 build 1117, and possibly other versions, does not drop privileges

References

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