Security readout for executives and security teams
RealVNC VNC 5.0.6 on Mac OS X, Linux, and UNIX had a local privilege escalation issue. A user already on the system could pass a crafted argument to specific VNC helper programs and gain higher privileges. The source bundle does not provide CVSS, CWE, patch details, or evidence of active exploitation. Exposure is most likely where RealVNC VNC 5.0.6 remains installed on Mac OS X, Linux, or UNIX systems and local users can execute the listed helper programs. Systems without local user access are less directly exposed based on the provided description. Treat this as a cleanup and hardening priority for systems with shared local access or administrative sensitivity. It is not presented as internet-exploitable in the bundle, but local privilege escalation can turn a limited compromise into full system control. Mitigation focus: Inventory RealVNC VNC installations and confirm whether version 5.0.6 is present.; Review RealVNC release notes and vendor guidance for fixed versions or workarounds.; Upgrade or remove affected RealVNC software where vendor guidance recommends it..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2013-6886 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.