#VU16938 Authorization bypass in DeltaV - CVE-2018-19021
Published: January 10, 2019 / Updated: January 11, 2019
Vulnerability identifier: #VU16938
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2018-19021
CWE-ID: CWE-592
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
DeltaV
DeltaV
Software vendor:
Emerson
Emerson
Description
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.
Remediation
Install update from vendor's website.