CVE-2019-8275Improper Null Termination in Ultravnc

Severity
9.8CRITICALNVD
EPSS
4.3%
top 11.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 8
Latest updateMay 13

Description

UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

🔴Vulnerability Details

1
GHSA
GHSA-hhw7-p92g-vp7v: UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by2022-05-13

📋Vendor Advisories

3
CISA ICS
Siemens SIMATIC UltraVNC HMI WinCC Products2021-05-11
CISA ICS
Siemens SINAMICS Medium Voltage Products Remote Access (Update B)2021-05-11
CISA ICS
Siemens SINUMERIK2020-06-12