HOMEVULNERABILITIESCVE-2013-3956
HIGHPOC

CVE-2013-3956

CWE-264Published: July 31, 2013· Updated: Jun 16, 2026

7.2
CVSS v3.1

Official Description

The NICM.SYS kernel driver 3.1.11.0 in Novell Client 4.91 SP5 on Windows XP and Windows Server 2003; Novell Client 2 SP2 on Windows Vista and Windows Server 2008; and Novell Client 2 SP3 on Windows Server 2008 R2, Windows 7, Windows 8, and Windows Server 2012 allows local users to gain privileges via a crafted 0x143B6B IOCTL call.

NVD Source

Technical Analysis

CVE-2013-3956 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.

A proof-of-concept (PoC) exploit exists for CVE-2013-3956. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

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

Microsoft6 product(s)
windows 2003 serverwindows xpwindows server 2008windows vistawindows 7windows 8
novell1 product(s)
client
Source: NVD CPE · 9 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
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://www.novell.com/support/kb/doc.php?id=7012497
ADVISORYhttp://www.novell.com/support/kb/doc.php?id=7012497

All References (8)

→
http://pastebin.com/GB4iiEwRExploit
→
http://www.exploit-db.com/exploits/26452
→
http://www.exploit-db.com/exploits/27191
→
http://www.novell.com/support/kb/doc.php?id=7012497Vendor Advisory
→
http://pastebin.com/GB4iiEwRExploit
→
http://www.exploit-db.com/exploits/26452
→
http://www.exploit-db.com/exploits/27191
→
http://www.novell.com/support/kb/doc.php?id=7012497Vendor Advisory

Quick Facts

CVE IDCVE-2013-3956
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-264
CISA KEVNo
ExploitPOC
Affected2 vendor(s)
PublishedJul 31, 2013

Related CVEs (CWE-264)

CVE-2012-1239
10.0
CVE-2008-7170
10.0
CVE-2009-3843
10.0
CVE-2002-0013
10.0
CVE-2005-0735
10.0
CVE-2015-7709
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2013-3956 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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