Missing authentication for critical function in InTouch Edge HMI and AVEVA Edge - CVE-2019-6543

 

Missing authentication for critical function in InTouch Edge HMI and AVEVA Edge - CVE-2019-6543

Published: February 5, 2019 / Updated: June 17, 2021


Vulnerability identifier: #VU17382
CSH Severity: High
CVSS v4.0: 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/E:P/U:Amber
CVE-ID: CVE-2019-6543
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: AVEVA Software, LLC.
Affected software:
InTouch Edge HMI
AVEVA Edge

Detailed vulnerability description

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

The vulnerability exists in the TCP/IP Server Task due to missing authentication for critical function. A remote unauthenticated attacker can execute arbitrary code under the program runtime privileges.

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


How to mitigate CVE-2019-6543

Install update from vendor's website.

Sources