Authorization bypass in DeltaV - CVE-2018-19021
Published: January 10, 2019 / Updated: January 11, 2019
Vulnerability identifier: #VU16938
CSH Severity: Medium
CVSS v4: 7.2 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-19021
CWE-ID: CWE-592
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to bypass authentication on the target system.
The vulnerability exists due to insufficient validation of user-supplied input. An adjacent unauthenticated attacker can supply a specially crafted script to bypass the authentication of a maintenance port of a service and cause a denial of service.
Affected software
DeltaV
Wonderware System Platform
Wonderware System Platform
How to mitigate CVE-2018-19021
Install update from vendor's website.
Wonderware System Platform - update to 2017 Update 3