CVE-2023-22334

mediumpriority · track · 21EPSS 0.009 · 59 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.88% (59th) EPSS

CVSS 5.3 · medium

Is it mine?

7 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCONPROSYS HMI System (CHS)cisa_csaf_ot
Contec recommends users update to CONPROSYS HMI System (CHS) Ver.3.5.0 or later.
https://www.contec.com/software-update/?year=d90a89d4-f21e-4fc2-bab0-291bb3d23495

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.6 · impact 3.6

v3.05.3mediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · CISA US

v3.15.3mediumAV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondaryexploitability 1.6 · impact 3.6

v3.14.9mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-287USCWE-836USCWE-836US

affected products (7)

Products and version ranges known to be affected.

CONPROSYS HMI System (CHS): Ver.3.4.4 and priorall versionscisa_csaf_otUS
CONPROSYS HMI System (CHS): Ver.3.4.5 and priorall versionscisa_csaf_otUS
Contec CONPROSYS HMI System (CHS)≤ 3.4.4cisa_csaf_otUS
Contec CONPROSYS HMI System (CHS)≤ 3.4.5cisa_csaf_otUS
Contec Co., Ltd. CONPROSYS HMI System (CHS)≤ Ver.3.4.5 and earlierenisa_euvdEU
CONTEC CO., LTD CONPROSYS HMI System≤ 3.4.5fstec_bduRU
contec conprosys hmi system≤ 3.4.5nvdUScpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-22-347-03Contec CONPROSYS HMI System (CHS)2022-12-13icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow a remote attacker to send specially crafted requests and cause a loss of sensitive information.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2023-01-20modified 2026-06-17

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+7705 more

references (14)

External citations — patches, advisories, analysis.

scry

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