HOMEVULNERABILITIESCVE-2007-0856
HIGH

CVE-2007-0856

NVD-CWE-OtherPublished: February 8, 2007· Updated: Jun 16, 2026

7.2
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2007-0856 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

trend_micro8 product(s)
client-server-messaging securitydamage cleanup servicespc-cillin internet securitytmcomm.systrend micro antirootkit common moduletrend micro antispywaretrend micro antivirusvsapini.sys
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1034432&id=EN-1034432
PATCHhttp://secunia.com/advisories/24069
PATCHhttp://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1034432&id=EN-1034432
PATCHhttp://secunia.com/advisories/24069
ADVISORYhttp://labs.idefense.com/intelligence/vulnerabilities/display.php?id=469
ADVISORYhttp://labs.idefense.com/intelligence/vulnerabilities/display.php?id=469

All References (24)

→
http://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1034432&id=EN-1034432Patch
→
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=469Vendor Advisory
→
http://osvdb.org/33039
→
http://secunia.com/advisories/24069Patch · Vendor Advisory
→
http://securitytracker.com/id?1017604
→
http://securitytracker.com/id?1017605
→
http://securitytracker.com/id?1017606
→
http://www.kb.cert.org/vuls/id/282240US Government Resource
→
http://www.kb.cert.org/vuls/id/666800US Government Resource
→
http://www.securityfocus.com/bid/22448
→
http://www.vupen.com/english/advisories/2007/0521
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/32353
→
http://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1034432&id=EN-1034432Patch
→
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=469Vendor Advisory
→
http://osvdb.org/33039

Quick Facts

CVE IDCVE-2007-0856
CVSS Score7.2 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 8, 2007

Related CVEs (NVD-CWE-Other)

CVE-2001-1053
10.0
CVE-2001-1240
10.0
CVE-2005-4566
10.0
CVE-2005-4565
10.0
CVE-2001-0431
10.0
CVE-2001-1264
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2007-0856 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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