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CVE-2007-0856

7.2 · HIGH

TmComm.sys 1.5.0.1052 in the Trend Micro Anti-Rootkit Common Module (RCM), with the VsapiNI.sys 3.320.0.1003 scan engine, as used in Trend Micro PC-cillin Internet Security 2007, Antivirus 2007, An…

Published Feb 8, 2007trend_microEPSS 0.95%

Overview

CVE-2007-0856 is a high-severity vulnerability affecting trend_micro client-server-messaging_security. It was published on February 8, 2007 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

TmComm.sys 1.5.0.1052 in the Trend Micro Anti-Rootkit Common Module (RCM), with the VsapiNI.sys 3.320.0.1003 scan engine, as used in Trend Micro PC-cillin Internet Security 2007, Antivirus 2007, Anti-Spyware for SMB 3.2 SP1, Anti-Spyware for Consumer 3.5, Anti-Spyware for Enterprise 3.0 SP2, Client / Server / Messaging Security for SMB 3.5, Damage Cleanup Services 3.2, and possibly other products, assigns Everyone write permission for the \\.\TmComm DOS device interface, which allows local users to access privileged IOCTLs and execute arbitrary code or overwrite arbitrary memory in the kernel context.

Remediation

Check the references section for vendor advisories and patches from trend_micro. Update client-server-messaging_security to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refesupport.trendmicro.com/support/viewxml.do?ContentID=EN-1034432&id=EN-1034432Reflabs.idefense.com/intelligence/vulnerabilities/display.php?id=469Refosvdb.org/33039Refsecunia.com/advisories/24069Refsecuritytracker.com/id?1017604Refsecuritytracker.com/id?1017605Refsecuritytracker.com/id?1017606Refwww.kb.cert.org/vuls/id/282240Refwww.kb.cert.org/vuls/id/666800Refwww.securityfocus.com/bid/22448

How CyberStrike helps

Frequently asked questions

What is CVE-2007-0856?

CVE-2007-0856 is a high-severity vulnerability affecting trend_micro client-server-messaging_security. It was published on February 8, 2007 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2007-0856?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-0856?

Check the references section for vendor advisories and patches from trend_micro. Update client-server-messaging_security to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2007-0856?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-0856 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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