# AVEVA Enterprise SCADA Deserialization of Untrusted Data

CVE record · `CVE-2025-7639`

- **Identifiers:** `CVE-2025-7639`
- **State:** Confirmed
- **Severity:** CVSS 6.1 Medium
- **Critical:** No
- **CNA:** icscert
- **Weakness (CWE):** [CWE-502](https://cwe.mitre.org/data/definitions/502.html)
- **Tags:** [Insecure deserialization](https://agentprime.io/advisories/tag/deserialization.md)
- **Technologies:** [AVEVA Enterprise SCADA](https://agentprime.io/advisories/technology/aveva-enterprise-scada.md) · [AVEVA Enterprise SCADA HMI](https://agentprime.io/advisories/technology/aveva-enterprise-scada-hmi.md) · [AVEVA Pipeline Operations for Gas/Liquids](https://agentprime.io/advisories/technology/aveva-pipeline-operations-for-gas-liquids.md) · [AVEVA Pipeline Integrity Monitor (delivered on Pipeline Simulation media)](https://agentprime.io/advisories/technology/aveva-pipeline-integrity-monitor-delivered-on-pipeline-simulation-media.md) · [AVEVA Pipeline Training Simulator (delivered on Pipeline Simulation media)](https://agentprime.io/advisories/technology/aveva-pipeline-training-simulator-delivered-on-pipeline-simulation-media.md) · [AVEVA Measurement Advisor](https://agentprime.io/advisories/technology/aveva-measurement-advisor.md)
- **Published:** 14 Aug 2026
- **Updated:** 17 Aug 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: icscert) at 14 Aug 2026, 18:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: AVEVA. Product: AVEVA Enterprise SCADA.
  - affected: `2025`
  - affected: `2024 to 2024 SP1 P01, inclusive` (custom)
  - affected: `2023 to 2023 SP1, inclusive` (custom)
  - affected: `2022 to 2022 SP2 P2, inclusive` (custom)
  - affected: `2021 SP2 P5 and earlier` (custom)
  - unaffected: `2025 P1`
  - unaffected: `2024 SP1 P2`
  - unaffected: `2023 SP1 P1`
  - unaffected: `2022 SP2 P3`
  - unaffected: `2021 SP2 P6`
  - Other versions: unaffected
- Vendor: AVEVA. Product: AVEVA Enterprise SCADA HMI.
  - affected: `2024`
  - affected: `2023_P1 and earlier` (custom)
  - affected: `2024 R2`
  - unaffected: `2024 R2 HF7`
  - unaffected: `2024 P1`
  - unaffected: `2023 P2 HF1`
  - Other versions: unaffected
- Vendor: AVEVA. Product: AVEVA Pipeline Operations for Gas/Liquids.
  - unaffected: `2025 P1`
  - unaffected: `2024 SP1 P2`
  - unaffected: `2023 SP1 P1`
  - unaffected: `2022 SP2 P3`
  - unaffected: `2021 SP2 P6`
  - Other versions: unaffected
- Vendor: AVEVA. Product: AVEVA Pipeline Integrity Monitor (delivered on Pipeline Simulation media).
  - unaffected: `2025 SP1 P2`
  - Other versions: unaffected
- Vendor: AVEVA. Product: AVEVA Pipeline Training Simulator (delivered on Pipeline Simulation media).
  - unaffected: `2025 SP1 P2`
  - Other versions: unaffected
- Vendor: AVEVA. Product: Measurement Advisor.
  - unaffected: `2025 P1`
  - unaffected: `2021 SP1 HF16`
  - Other versions: unaffected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 6.1 Medium, CVSS 4.0: `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`, from CNA (icscert) (used for this record)
- 7.1 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H`, from CNA (icscert)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0057, the 47th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 14 Aug 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2025-7639](https://www.cve.org/CVERecord?id=CVE-2025-7639)
- [NVD: CVE-2025-7639](https://nvd.nist.gov/vuln/detail/CVE-2025-7639)

### References from the CNA

- <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>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2025-7639>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2025-7639/>. Everything for agents: <https://agentprime.io/llms.txt>.