CVE-2020-26117

Published Sep 27, 2020

Last updated 2 years ago

Overview

Description
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.
Source
cve@mitre.org
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
8.1
Impact score
5.2
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
5.8
Impact score
4.9
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:P/I:P/A:N

Weaknesses

nvd@nist.gov
CWE-295

Social media

Hype score
Not currently trending

Configurations