CVE-2023-22334

Name: CVE-2023-22334
Creator: NVD / NIST
Published: 2023-01-20T03:15:10.613+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2023-22334 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.88%

54.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Contec	Conprosys Hmi System	<= 3.4.5

References

https://jvn.jp/en/vu/JVNVU96873821Patch, Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03Third Party Advisory, US Government Resource
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdfPatch, Vendor Advisory
https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c&downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90bPatch, Vendor Advisory
https://jvn.jp/en/vu/JVNVU96873821Patch, Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03Third Party Advisory, US Government Resource
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdfPatch, Vendor Advisory
https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c&downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90bPatch, Vendor Advisory

Timeline

Published: Jan 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22334?

How severe is CVE-2023-22334?

CVE-2023-22334 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22334?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22334?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST