Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2020-26117

In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. They store the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception.

  • Published: Sep 27, 2020
  • Updated: Apr 14, 2023
  • CVE: CVE-2020-26117
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.1
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
tigervnc / tigervnc - 1.11.0
debian / debian_linux 9.0 9.0.x
opensuse / leap 15.2 15.2.x