25479 : RealVNC Security Type Enforcement Failure Remote Authentication Bypass
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Disclosure Date


RealVNC contains a flaw that may allow a malicious user to bypass authentication and allows access to the remote system without requiring knowledge of the VNC password. The issue is triggered due to an error within the handling of VNC password authentication requests. This flaw may lead to a loss of confidentiality.


Location: Remote / Network Access
Attack Type: Authentication Management
Impact: Loss of Confidentiality
Exploit: Exploit Public, Exploit Commercial
Disclosure: Vendor Verified
OSVDB: Web Related


Upgrade to version 4.1.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


RealVNC Ltd


Tools & Filters


13611 13612 13880 6471
21564 21574


  • Steve Wiseman - steveintelliadmin.com - IntelliAdmin

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2006-05-16 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1


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