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: 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-2019-6543
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

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.


Affected software

InTouch Edge HMI
AVEVA Edge

How to mitigate CVE-2019-6543

Install update from vendor's website.

InTouch Edge HMI - update to 2017 Update 3
AVEVA Edge - update to 81.3.0

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins