CVE-2023-28657
Published: 01 June 2023
Summary
CVE-2023-28657 is a high-severity Missing Authorization (CWE-862) vulnerability in Contec Conprosys Hmi System. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 34.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-32318
Vulnerability details
Improper access control vulnerability exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. A user of the PC where the affected product is installed may gain an administrative privilege. As a result, information regarding the product may be obtained…
more
and/or altered by the user.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring an access control policy ensures authorization checks are defined and applied for critical functions.
Reviews of access controls detect missing authorization checks on critical functions or resources.
Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.
Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.
Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.
Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.
The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.
Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.