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Fencer Intel
high 7.1

CVE-2025-7639 json

AVEVA Enterprise SCADA Deserialization of Untrusted Data

published 2mo ago modified last mo. also EUVD-2025-210730

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

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".

Patch / fix

  • AVEVA AVEVA Enterprise SCADA 2021 SP2 P6, 2022 SP2 P3, 2023 SP1 P1, 2024 SP1 P2, 2025 P1
  • AVEVA AVEVA Enterprise SCADA HMI 2023 P2 HF1, 2024 P1, 2024 R2 HF7

Is CVE-2025-7639 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-225-01 updated cvss 7.1

AVEVA Enterprise SCADA

  • AVEVA Enterprise SCADA 2025, >=2024, <=2024_SP1_P01, >=2023, <=2023_SP1, >=2022, <=2022_SP2_P2 AVEVA Enterprise SCADA HMI 2024, 2024, R2, <=2023_P1
    affected: mitigation “Client Components: Configure clients/products that interface with Enterprise SCADA to only use JSON serialization.” softwaresupportsp.aveva.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2mo ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 4.0 6.1 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
CNA 3.1 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H
CNA 4.0 6.1 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • AVEVA AVEVA Enterprise SCADA
  • AVEVA AVEVA Enterprise SCADA HMI
  • AVEVA AVEVA Pipeline Operations for Gas/Liquids
  • AVEVA AVEVA Pipeline Integrity Monitor (delivered on Pipeline Simulation media)
  • AVEVA AVEVA Pipeline Training Simulator (delivered on Pipeline Simulation media)
  • AVEVA Measurement Advisor

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.