CVE-2001-1422
WinVNC 3.3.3 and earlier generates the same challenge string for multiple connections, which...
CVE-2001-1422 is a high vulnerability (CVSS 7.5) in Att Winvnc, published January 23, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.06%, the 81st percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 2.0, NVD
- Exploit chance
- 2.06%EPSS, 81st percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Exploit likelihood
Affected products
What each source reports
NVD Score used
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.
- Record
CVE-2001-1422- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2001-1422- Updated
- 2026-11-02
EUVDEUVD-2001-1402No score
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.
- Record
EUVD-2001-1402- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hf8p-xhgf-8g9vNo score
WinVNC 3.3.3 and earlier generates the same challenge string for multiple connections, which...
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.
- Record
GHSA-hf8p-xhgf-8g9v- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.