7.5high
CVE-2001-1422
WinVNC 3.3.3 and earlier generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authenti…
Published 25 y ago · modified 4 mo ago · JSON
CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.1%
percentile 81%
Public exploits
0
none known
Summary
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 prediction (EPSS)
2.06% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
- securityfocus.com /bid/2275 · vdb-entry, x_refsource_BID, x_transferred
- kb.cert.org /vuls/id/303080 · third-party-advisory, x_refsource_CERT-VN, x_transferred
- exchange.xforce.ibmcloud.com /vulnerabilities/5992 · vdb-entry, x_refsource_XF, x_transferred
- www1.corest.com /common/showdoc.php?idxseccion=10&idx=117 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2001-1422
- NVD: CVE-2001-1422
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.