CVE-2008-3866

Name: CVE-2008-3866
Creator: NVD / NIST
Published: 2009-01-21T20:30:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.40%

Last modified Jun 16, 2026

CVE-2008-3866 is a vulnerability of currently unknown severity. The Trend Micro Personal Firewall service (aka TmPfw.exe) in Trend Micro Network Security Component (NSC) modules, as used in Trend Micro OfficeScan 8.0 SP1 Patch 1 and Internet Security 2007 and 2008 17.0.1224, relies on client-side password protection implemented in the configuration GUI, which allows local users to bypass intended access restrictions and change firewall settings by using a modified client to send crafted packets.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

The Trend Micro Personal Firewall service (aka TmPfw.exe) in Trend Micro Network Security Component (NSC) modules, as used in Trend Micro OfficeScan 8.0 SP1 Patch 1 and Internet Security 2007 and 2008 17.0.1224, relies on client-side password protection implemented in the configuration GUI, which allows local users to bypass intended access restrictions and change firewall settings by using a modified client to send crafted packets.

Metrics

EPSS Probability

0.40%

31.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions	Update
Trend Micro	Internet Security 2007	All versions	—
Trend Micro	Internet Security 2008	17.0.1224	—
Trend Micro	Officescan	8.0	Sp1

References

http://secunia.com/advisories/31160Patch, Vendor Advisory
http://secunia.com/advisories/33609Patch, Vendor Advisory
http://secunia.com/secunia_research/2008-43/Vendor Advisory
http://www.securityfocus.com/bid/33358Patch
http://www.securitytracker.com/id?1021616
http://www.securitytracker.com/id?1021617
http://www.trendmicro.com/ftp/documentation/readme/OSCE8.0_SP1_Patch1_CriticalPatch_3191_Readme.txtVendor Advisory
http://www.vupen.com/english/advisories/2009/0191
https://exchange.xforce.ibmcloud.com/vulnerabilities/48108
http://secunia.com/advisories/31160Patch, Vendor Advisory
http://secunia.com/advisories/33609Patch, Vendor Advisory
http://secunia.com/secunia_research/2008-43/Vendor Advisory
http://www.securityfocus.com/bid/33358Patch
http://www.securitytracker.com/id?1021616
http://www.securitytracker.com/id?1021617
http://www.trendmicro.com/ftp/documentation/readme/OSCE8.0_SP1_Patch1_CriticalPatch_3191_Readme.txtVendor Advisory
http://www.vupen.com/english/advisories/2009/0191
https://exchange.xforce.ibmcloud.com/vulnerabilities/48108

Timeline

Published: Jan 21, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2008-3866?

How severe is CVE-2008-3866?

Severity scoring for CVE-2008-3866 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2008-3866?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2008-3866?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST