Auth bypass in Contec Conprosys Hmi System
CVE-2023-22334
Use of password hash instead of password for authentication vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote authenticated attacker to obtain user credentials information via a man-in-the-middle attack.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Contec Conprosys Hmi System
- Contec Co., Ltd. Conprosys Hmi System (Chs) — versions Ver.3.4.5 and earlier
Weakness classification (CWE)
References
- www.contec.com/download/contract/contract4/ (Patch, Vendor Advisory)
- www.contec.com/api/downloadlogger (Patch, Vendor Advisory)
- jvn.jp/en/vu/JVNVU96873821 (Patch, Third Party Advisory)
- www.cisa.gov/uscert/ics/advisories/icsa-22-347-03 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-22334?
- CVE-2023-22334 is a medium-severity vulnerability in Contec Conprosys Hmi System, classified under Improper Authentication. CVSS score: 5.3/10. Published 2023-01-20.
- How severe is CVE-2023-22334?
- Medium severity. CVSS v3 base score is 5.3 out of 10.