CVE-2002-0971

Vulnerability in VNC, TightVNC, and TridiaVNC allows local users to execute arbitrary code as LocalSystem by using the Win32 Messaging System to bypass the VNC GUI and access the "Add new clients" dialogue box.

Published: 2002-09-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0971 is rated Low Risk (29.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.40%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2002-0971

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.09% 0.40% +0.31%
2 2025-03-17 0.04% 0.09% +0.05%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0971

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2002-0971

Affected software / configurations for CVE-2002-0971

Vendor Product Version Raw CPE
att winvnc_server <= 3.3.3_r9 cpe:2.3:a:att:winvnc_server:*:*:*:*:*:*:*:*
att winvnc_server 3.3.3_r7 cpe:2.3:a:att:winvnc_server:3.3.3_r7:*:*:*:*:*:*:*
tightvnc tightvnc 1.2.0 cpe:2.3:a:tightvnc:tightvnc:1.2.0:*:*:*:*:*:*:*
tightvnc tightvnc 1.2.1 cpe:2.3:a:tightvnc:tightvnc:1.2.1:*:*:*:*:*:*:*
tightvnc tightvnc 1.2.5 cpe:2.3:a:tightvnc:tightvnc:1.2.5:*:*:*:*:*:*:*
tridia tridiavnc 1.5 cpe:2.3:a:tridia:tridiavnc:1.5:*:*:*:*:*:*:*
tridia tridiavnc 1.5.1 cpe:2.3:a:tridia:tridiavnc:1.5.1:*:*:*:*:*:*:*
tridia tridiavnc 1.5.2 cpe:2.3:a:tridia:tridiavnc:1.5.2:*:*:*:*:*:*:*
tridia tridiavnc 1.5.4 cpe:2.3:a:tridia:tridiavnc:1.5.4:*:*:*:*:*:*:*

References for CVE-2002-0971

cvelogic Threat Intelligence