ABB Ability Zenon

August 6, 2026 · CISA (US-CERT) · Severity: CRITICAL

View CSAF Summary Successful exploitation of these vulnerabilities could allow attackers to bypass security, crash systems, execute unauthorized actions, or compromise data. The following versions of ABB Ability Zenon are affected: IIoT services with MongoDB (4.2) installed on ABB Ability Zenon vers:all/*  CVSS Vendor Equipment Vulnerabilities v3 7.8 ABB ABB Ability Zenon Improper Handling of Length Parameter Inconsistency, Improper Neutralization of Null Byte or NUL Character, Collapse of Data into Unsafe Value, Undefined Behavior for Input to API, Incorrect Regular Expression, Uncaught Exception, Reachable Assertion, Allocation of Resources Without Limits or Throttling, Out-of-bounds Write, Improper Output Neutralization for Logs, Improper Certificate Validation, Execution with Unnecessary Privileges Background Critical Infrastructure Sectors: Chemical, Communications, Critical Manufacturing, Dams, Energy, Healthcare and Public Health, Information Technology, Water and Wastewater Countries/Areas Deployed: Worldwide Company Headquarters Location: Switzerland Vulnerabilities Expand All + CVE-2025-14847 Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0. View CVE Details Affected Products ABB Ability Zenon Vendor:ABB Product Version:ABB IIoT services with MongoDB (4.