Authenticated privilege escalation to administrator
Published Jun 1, 2023 · Updated Jan 9, 2025
Improper access control in CONTEC CONPROSYS HMI System before 3.5.3 allows remote authenticated users to gain administrative privileges. Public advisories do not identify the affected component or disclose how the access-control check is bypassed. Access to the product is required, and successful exploitation permits protected product information to be read or altered.
Summary
What happened
Improper access control in CONTEC CONPROSYS HMI System before 3.5.3 allows remote authenticated users to gain administrative privileges. Public advisories do not identify the affected component or disclose how the access-control check is bypassed. Access to the product is required, and successful exploitation permits protected product information to be read or altered.
The record
- CVE
- CVE-2023-28657
- Published
- Jun 1, 2023
- Updated
- Jan 9, 2025
- Vendor
- CONTEC Co., Ltd.
- Product
- CONPROSYS HMI System (CHS)
- Classifications
- CWE-284, T1068
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 1, 2023CVE publishedPublication date reported by the CVE source.
- Jan 9, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=versions prior to 3.5.3
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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