vulnwire
7.5high

CVE-2002-1336

TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authenticat…

Published 23 y ago · modified 4 mo ago · JSON

CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known

TightVNC before 1.2.6 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)

2.40% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

References

  • exchange.xforce.ibmcloud.com /vulnerabilities/5992 · vdb-entry, x_refsource_XF, x_transferred
  • redhat.com /support/errata/RHSA-2002-287.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • marc.info /?l=bugtraq&m=102753170201524&w=2 · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • redhat.com /support/errata/RHSA-2003-041.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • mandrakesoft.com /security/advisories?name=MDKSA-2003:022 · vendor-advisory, x_refsource_MANDRAKE, x_transferred
  • distro.conectiva.com.br /atualizacoes/?id=a&anuncio=000640 · vendor-advisory, x_refsource_CONECTIVA, x_transferred
  • tightvnc.com /WhatsNew.txt · x_refsource_CONFIRM, x_transferred
  • marc.info /?l=bugtraq&m=102769183913594&w=2 · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • securityfocus.com /bid/5296 · vdb-entry, x_refsource_BID, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.