VDB-219023 · CVE-2023-22334 · icsa-22-347-03

Contec CONPROSYS HMI System up to 3.4.5 password hash instead of password for authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Contec CONPROSYS HMI System up to 3.4.5. It has been rated as problematic. This affects an unknown part. The manipulation leads to use of password hash instead of password for authentication. This vulnerability is listed as CVE-2023-22334. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Contec CONPROSYS HMI System up to 3.4.5 (SCADA Software). It has been rated as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a use of password hash instead of password for authentication vulnerability. Using CWE to declare the problem leads to CWE-836. The product records password hashes in a data store, receives a hash of a password from a client, and compares the supplied hash to the hash obtained from the data store. Impacted is confidentiality. The summary by CVE is:

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.

The weakness was presented 01/20/2023 as icsa-22-347-03. It is possible to read the advisory at cisa.gov. The identification of this vulnerability is CVE-2023-22334 since 12/20/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1550.002 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-26497). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

SCADA Software

Vendor

Contec

Name

CONPROSYS HMI System

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use of password hash instead of password for authentication
CWE: CWE-836
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/20/2022 🔍
01/20/2023 +31 days 🔍
01/20/2023 +0 days 🔍
09/29/2025 +982 days 🔍

Sourcesinfo

Advisory: icsa-22-347-03
Status: Confirmed

CVE: CVE-2023-22334 (🔍)
GCVE (CVE): GCVE-0-2023-22334
GCVE (VulDB): GCVE-100-219023
EUVD: 🔍

Entryinfo

Created: 01/20/2023 08:34
Updated: 09/29/2025 01:57
Changes: 01/20/2023 08:34 (40), 02/15/2023 14:45 (11), 04/04/2025 03:42 (16), 09/29/2025 01:57 (1)
Complete: 🔍
Cache ID: 216::103