HOMEVULNERABILITIESCVE-2013-6886
HIGH

CVE-2013-6886

CWE-264Published: December 28, 2013· Updated: Jun 17, 2026

7.2
CVSS v3.1

Official Description

RealVNC VNC 5.0.6 on Mac OS X, Linux, and UNIX allows local users to gain privileges via a crafted argument to the (1) vncserver, (2) vncserver-x11, or (3) Xvnc helper.

NVD Source

Technical Analysis

CVE-2013-6886 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

Apple1 product(s)
mac os x
Linux1 product(s)
linux kernel
realvnc1 product(s)
realvnc
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (2)

Quick Facts

CVE IDCVE-2013-6886
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-264
CISA KEVNo
Affected3 vendor(s)
PublishedDec 28, 2013

Related CVEs (CWE-264)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2013-6886 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.