Auth bypass in Yokogawa B\/m9000 Vp
CVE-2022-26034
Improper authentication vulnerability in the communication protocol provided by AD (Automation Design) server of CENTUM VP R6.01.10 to R6.09.00, CENTUM VP Small R6.01.10 to R6.09.00, CENTUM VP Basic R6.01.10 to R6.09.00, and B/M9000 VP R8.01.01 to R8.03.01 allows an attacker to use the functions provided by AD server. This may lead to leakage or tampering of data managed by AD server.
Vulnerability class: Broken Authentication
EPSS: 0.009 (57.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Yokogawa B\/m9000_vp
- Yokogawa Centum_vp
- Yokogawa Electric Corporation Centum Vp Series With Vp6e5000(ad Suite Engineering Serverfunction) Installed And B/m9000 — versions CENTUM VP R6.01.10 to R6.09.00, CENTUM VP Small R6.01.10 to R6.09.00, CENTUM VP Basic R6.01.10 to R6.09.00, and B/M9000 VP R8.01.01 to R8.03.01
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-26034?
- CVE-2022-26034 is a critical-severity vulnerability in Yokogawa B\/m9000 Vp, classified under Improper Authentication. CVSS score: 9.1/10. Published 2022-04-15.
- How severe is CVE-2022-26034?
- Critical severity. CVSS v3 base score is 9.1 out of 10.