Vulnerability Report

CVE-2008-3493

Title: Realvnc Realvnc Windows Client Denial of Service (DoS)

DoS

Proof Of Concept

PoC Available for CVE-2008-3493

CWE Category CWE-20

Published Date Aug 06, 2008

Modified Date Jun 16, 2026

Exploit Status Available

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

5.63%

Vulnerability Summary

CVE-2008-3493: vncviewer.exe in RealVNC Windows Client 4.1.2.0 allows remote VNC servers to cause a denial of service (application crash) via a crafted frame buffer update packet.

Impacted Vendors

realvnc 1

Reference Links

http://www.securityfocus.com/bid/30499 https://exchange.xforce.ibmcloud.com/vulnerabilities/44218 https://www.exploit-db.com/exploits/6181 http://www.securityfocus.com/bid/30499 https://exchange.xforce.ibmcloud.com/vulnerabilities/44218 https://www.exploit-db.com/exploits/6181

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2008-3493 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/6181

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

August 06, 2008 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.