7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.005 Low
EPSS
Percentile
75.1%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | tightvnc | < 1.2.6-1 | tightvnc_1.2.6-1_all.deb |
Debian | 11 | all | tightvnc | < 1.2.6-1 | tightvnc_1.2.6-1_all.deb |
Debian | 10 | all | tightvnc | < 1.2.6-1 | tightvnc_1.2.6-1_all.deb |
Debian | 999 | all | tightvnc | < 1.2.6-1 | tightvnc_1.2.6-1_all.deb |
Debian | 13 | all | tightvnc | < 1.2.6-1 | tightvnc_1.2.6-1_all.deb |