CVE-2008-0610

Exp

Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.

Published: 2008-02-06 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-0610 is rated High Exploit Risk (81.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 38.76%, 98th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2008-0610

EDB-ID Source Kind Published Link
18666 exploit_db edb 2012-03-26 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-0610

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 74.83% 38.76% -36.08%
2 2025-03-30 78.50% 74.83% -3.66%
3 2025-03-29 — 78.50% —

Full EPSS history (22 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-0610

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2008-0610

Affected software / configurations for CVE-2008-0610

Vendor Product Version Raw CPE
ultravnc ultravnc 1.0.2 cpe:2.3:a:ultravnc:ultravnc:1.0.2:*:*:*:*:*:*:*
ultravnc ultravnc 1.0.4 cpe:2.3:a:ultravnc:ultravnc:1.0.4:*:*:*:*:*:*:*
ultravnc ultravnc 1.0.4_rc6 cpe:2.3:a:ultravnc:ultravnc:1.0.4_rc6:*:*:*:*:*:*:*
ultravnc ultravnc 1.0.4_rc7 cpe:2.3:a:ultravnc:ultravnc:1.0.4_rc7:*:*:*:*:*:*:*
ultravnc ultravnc 1.0.4_rc8 cpe:2.3:a:ultravnc:ultravnc:1.0.4_rc8:*:*:*:*:*:*:*

References for CVE-2008-0610

cvelogic Threat Intelligence