Stack-based buffer overflow in WebAccess Scada Node - CVE-2020-12019

 

Stack-based buffer overflow in WebAccess Scada Node - CVE-2020-12019

Published: June 10, 2020


Vulnerability identifier: #VU28931
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-12019
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

WebAccess Scada Node

How to mitigate CVE-2020-12019

Install updates from vendor's website.

WebAccess Scada Node - update to 8.4.4.P0520844

External References

Related Security Bulletins