Vulnerability details
Advisory: SB2023121235 - Use of default credentials in Unitronics Vision Series PLCs and HMIs
Vulnerable component: Unitronics Vision
CVE-ID: CVE-2023-6448
CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C
CWE-ID: CWE-1392 - Use of Default Credentials
Description:
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to Unitronics Vision Series PLCs and HMIs use default administrative passwords. A remote attacker with network access to a PLC or HMI can gain administrative control over the system.
Note, the vulnerability is being actively exploited in the wild.
External links:
https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems