Contec CONPROSYS HMI System up to 3.4.5 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Contec CONPROSYS HMI System up to 3.4.5. This vulnerability affects unknown code. The manipulation results in access control. This vulnerability is cataloged as CVE-2023-22339. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Contec CONPROSYS HMI System up to 3.4.5 (SCADA Software). Affected is an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper access control vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to bypass access restriction and obtain the server certificate including the private key of the product.

The weakness was shared 01/20/2023 as icsa-22-347-03. The advisory is shared for download at cisa.gov. This vulnerability is traded as CVE-2023-22339 since 12/20/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-26502). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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-2023-22339 (🔍)
GCVE (CVE): GCVE-0-2023-22339
GCVE (VulDB): GCVE-100-219024
EUVD: 🔍

Entryinfo

Created: 01/20/2023 08:34
Updated: 09/29/2025 01:57
Changes: 01/20/2023 08:34 (40), 02/15/2023 14:47 (11), 04/04/2025 03:42 (16), 09/29/2025 01:57 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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