HOMEVULNERABILITIESCVE-2013-3947
HIGH

CVE-2013-3947

CWE-119Published: April 24, 2018· Updated: Jun 16, 2026

7.8
CVSS v3.1

Official Description

Buffer overflow in MedCoreD.sys in AhnLab V3 Internet Security 8.0.7.5 (Build 1373) allows local users to gain privileges via a crafted 0xA3350014 IOCTL call.

NVD Source

Technical Analysis

CVE-2013-3947 requires local access, meaning attackers must already have a foothold on the target system.

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

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-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

ahnlab1 product(s)
v3 internet security
Source: NVD CPE · 1 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

ADVISORYhttp://secunia.com/advisories/54465
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/90626
ADVISORYhttp://secunia.com/advisories/54465
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/90626

All References (4)

→
http://secunia.com/advisories/54465Permissions Required · Third Party Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/90626Third Party Advisory · VDB Entry
→
http://secunia.com/advisories/54465Permissions Required · Third Party Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/90626Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2013-3947
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedApr 24, 2018

Related CVEs (CWE-119)

CVE-2009-1830
10.0
CVE-2010-2028
10.0
CVE-2013-0658
10.0
CVE-2012-5409
10.0
CVE-2008-5722
10.0
CVE-2008-5281
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2013-3947 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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