Vulnerability 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.
CVSS Score
7.5
HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Att | Winvnc | <= 3.3.3 |
References
- http://www.kb.cert.org/vuls/id/303080Third Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/2275Vendor Advisory
- http://www1.corest.com/common/showdoc.php?idxseccion=10&idx=117Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5992
- http://www.kb.cert.org/vuls/id/303080Third Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/2275Vendor Advisory
- http://www1.corest.com/common/showdoc.php?idxseccion=10&idx=117Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5992
FAQ
What is CVE-2001-1422?
CVE-2001-1422 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2001-1422?
CVE-2001-1422 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2001-1422?
Check the references section above for vendor advisories and patch information. Affected products include: Att Winvnc.