Missing Authentication for Critical Function in DeltaV Distributed Control System Controllers and Workstations - CVE-2021-26264
Published: January 4, 2022
Vulnerability identifier: #VU59151
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-26264
CWE-ID: CWE-306
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the software that is used for critical functionalities lacks authentication. A remote attacker on the local network can cause a denial of service condition on the target system.
Affected software
DeltaV Distributed Control System Controllers and Workstations
How to mitigate CVE-2021-26264
Install updates from vendor's website.
DeltaV Distributed Control System Controllers and Workstations - addressed in versions R6, 13.3.1, 14.LTS, 14.FP1, 14.FP2