Vulnerability CVE-2001-1422
Published: 2001-01-23   Modified: 2012-02-12

Description:
WinVNC 3.3.3 and earlier generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
ATT -> Winvnc 

 References:
http://www.kb.cert.org/vuls/id/303080
http://www.securityfocus.com/bid/2275
http://www1.corest.com/common/showdoc.php?idxseccion=10&idx=117
https://exchange.xforce.ibmcloud.com/vulnerabilities/5992
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