AVEVA Enterprise SCADA

August 13, 2026·Source: CISA

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TL;DR

View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to tamper with serialized data, potentially resulting in code execution during deserialization. The following versions of AVEVA Enterprise SCADA are affected: Enterprise SCADA 2025 (CVE-2025-7639) Enterprise SCADA >=2024|<=2024_SP1_P01 (CVE-2025-7639) Enterprise SCADA >=2023|<=2023_SP1 (CVE-2025-7639) Enterprise SCADA >=2022|<=2022_SP2_P2 (CVE-2025-7639) Enterprise SCADA <=2021_SP2_P5 (CVE-2025-7639) Enterprise SCADA HMI 2024|2024|R2 (CVE-2025-7639) Enterprise SCADA HMI <=2023_P1 (CVE-2025-7639) CVSS Vendor Equipment Vulnerabilities

v3 7.1 AVEVA AVEVA Enterprise SCADA Deserialization of Untrusted Data

Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: United Kingdom Vulnerabilities Expand All + CVE-2025-7639 The vulnerability, if exploited, could allow an authenticated miscreant with "DNA Authority - Operator" privilege to tamper with serialized data, potentially resulting in code execution during deserialization under the privilege of Enterprise SCADA security group "DNA Apps". View CVE Details Affected Products AVEVA Enterprise SCADA Vendor: AVEVA Product Version: AVEVA Enterprise SCADA: 2025, AVEVA Enterprise SCADA: >=2024|<=2024_SP1_P01, AVEVA Enterprise SCADA: >=2023|<=2023_SP1, AVEVA Enterprise SCADA: >=2022|<=2022_SP2_P2, AVEVA Enterprise SCADA: <=2021_SP2_P5, AVEVA Enterprise SCADA HMI: 2024|2024_R2, AVEVA Enterprise SCADA HMI: <=2023_P1 Product Status: known_affected Remediations Mitigation AVEVA recommends that customers using affected product versions should perform the following to mitigate the risk of exploit: 1. Evaluate the impact of these vulnerabilities based on your operational environment, architecture, and product implementation. 2. Plan an upgrade of Servers and Clients to one of the available fixed versions listed in this document. 3. Configure Servers and Clients as d

What Happened

AVEVA Enterprise SCADA, reported by CISA.

v3 7.1 AVEVA AVEVA Enterprise SCADA Deserialization of Untrusted Data

For the full technical details, see the original report.

Why It Matters for Businesses

This development could affect organizations that rely on the impacted technologies or services. Unpatched systems, misconfigured infrastructure, or lack of monitoring can leave businesses exposed to exploitation, data breaches, and regulatory penalties.

How to Check Your Exposure

Run a free scan on NEL Professional's Cyber Risk Scanner to check whether your domain is affected. The scan covers SSL/TLS, security headers, DNS configuration, email authentication, and more across 16 modules.

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Mitigation Steps

Patch immediately, Apply vendor patches or updates as soon as they are available.
Review configurations, Check firewall rules, access controls, and security headers.
Monitor logs, Watch for indicators of compromise (IOCs) related to this threat.
Update security policies, Ensure incident response plans cover this type of threat.
Run a security scan, Use automated tools to verify your exposure.

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