HOMEVULNERABILITIESCVE-2018-11009
HIGH

CVE-2018-11009

CWE-787Published: January 11, 2021· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

A Buffer Overflow issue was discovered in K7Computing K7AntiVirus Premium 15.01.00.53.

NVD Source

Technical Analysis

CVE-2018-11009 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

k7computing4 product(s)
antivriusenterprise securitytotal securityultimate security
Source: NVD CPE · 4 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

ADVISORYhttps://support.k7computing.com/index.php?/selfhelp/view-article/Advisory-issued-on-6th-January-2021
ADVISORYhttps://www.k7computing.com
ADVISORYhttps://support.k7computing.com/index.php?/selfhelp/view-article/Advisory-issued-on-6th-January-2021
ADVISORYhttps://www.k7computing.com

All References (4)

→
https://support.k7computing.com/index.php?/selfhelp/view-article/Advisory-issued-on-6th-January-2021Vendor Advisory
→
https://www.k7computing.comProduct · Vendor Advisory
→
https://support.k7computing.com/index.php?/selfhelp/view-article/Advisory-issued-on-6th-January-2021Vendor Advisory
→
https://www.k7computing.comProduct · Vendor Advisory

Quick Facts

CVE IDCVE-2018-11009
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedJan 11, 2021

Related CVEs (CWE-787)

CVE-2002-2227
10.0
CVE-2016-9343
10.0
CVE-2026-42369
10.0
CVE-2026-4746
10.0
CVE-2004-0978
10.0
CVE-2018-6692
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-11009 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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