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Vulnerability record · CVE-2010-5248 · published 7 September 2012

CVE-2010-5248: Ultravnc vulnerability

Ultravnc · Ultravnc

Untrusted search path vulnerability in UltraVNC 1.0.8.2 allows local users to gain privileges via a Trojan horse vnclang.dll file in the current working directory, as demonstrated by a directory that contains a .vnc file. NOTE: some of these details are obtained from third party information.

6.9 CVSS 2.0 Medium EPSS 0.40% · top 68.5%
6.9CVSS 2.0 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

Untrusted search path vulnerability in UltraVNC 1.0.8.2 allows local users to gain privileges via a Trojan horse vnclang.dll file in the current working directory, as demonstrated by a directory that contains a .vnc file. NOTE: some of these details are obtained from third party information.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/41208 Vendor Advisory
http://web.archive.org/web/20100924002712/http://www.uvnc.com/download/
http://secunia.com/advisories/41208 Vendor Advisory
http://web.archive.org/web/20100924002712/http://www.uvnc.com/download/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2009-0388Tightvnc vulnerabilityMultiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap…EPSS 13%10.0CVE-2006-2206Ultravnc vulnerabilityThe MS-Logon authentication scheme in UltraVNC (aka Ultr@VNC) 1.0.1 uses weak encryption (XOR) for challenge/response, which allows remote attackers …EPSS 2.1%9.3CVE-2008-5001Ultravnc memory buffer overflow vulnerabilityMultiple stack-based buffer overflows in multiple functions in vncviewer/FileTransfer.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, …EPSS 5.6%9.3CVE-2008-0610Ultravnc memory buffer overflow vulnerabilityStack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.…EPSS 39%

Source: NIST National Vulnerability Database (record CVE-2010-5248), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.