Multiple Vulnerabilities Discovered in ABB Ability Zenon IIoT Services with Bundled MongoDB
CISA and ABB PSIRT advisory reveals critical and high-severity CVEs affecting worldwide deployments
Key Takeaways
- CISA and ABB PSIRT issued an advisory on August 6, 2026, regarding multiple vulnerabilities in ABB Ability Zenon IIoT services with bundled MongoDB.
- CVE-2025-14847 allows unauthenticated remote reading of uninitialized heap memory via Zlib protocol header exploitation; CVSS up to 8.7.
- CVE-2020-7928 allows database query-authorized memory read overrun via crafted queries; CVSS up to 7.5.
- All ABB Ability Zenon versions with MongoDB 4.2 installed are affected, spanning critical infrastructure sectors worldwide.
Related Security News
Official MCP Python SDK Flaw Can Let Malicious Servers Steal OAuth Credentials
The maintainers of the official MCP Python SDK disclosed a security vulnerability that could allow a malicious server to trick applications into divulging OAuth credentials. The issue affects the handling of client secrets, authorization codes, and PKCE proof keys when communicating with token endpoints.
CISA Adds Two Citrix NetScaler Vulnerabilities to Known Exploited Catalog
The Cybersecurity and Infrastructure Security Agency (CISA) has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation. CVE-2026-88771 involves improper input validation and CVE-2026-88772 involves improper restriction of operations within the bounds of a memory buffer, both affecting Citrix NetScaler products. The additions trigger remediation requirements under Binding Operational Directive 26-04 for Federal Civilian Executive Branch agencies.
