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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (60.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
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
- www.yokogawa.com/library/resources/white-papers/yokogawa-security-advisory-repo… (Vendor Advisory)
- jvn.jp/vu/JVNVU99204686/index.html (Third Party Advisory)
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.