CVE-2025-7639 (GCVE-0-2025-7639)
Vulnerability from cvelistv5
Published
2026-08-14 18:46
Modified
2026-08-17 20:01
Severity ?
6.1 (Medium) - 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
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H
VLAI Severity ?
EPSS score ?
CWE
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".
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| AVEVA | AVEVA Enterprise SCADA |
Version: 2025 Version: 2024 < Version: 2023 < Version: 2022 < Version: 0 < |
||
|
|
||||
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"value": "\u003cdiv\u003eApply Secure Serialization Settings\u003c/div\u003e\u003cdiv\u003eTo fully mitigate the risk of exploit, the following configuration changes must be implemented after all server and client nodes have been upgraded to compatible versions that support the fix:\u003c/div\u003e\u003cbr\u003eServer Components:\u003cbr\u003e\u2022 Change \u201cBinarySerializer\u201d -\u0026gt; \u201cMode\u201d setting from \u2018Binary Formatter\u2019 to \u2018Json\u2019.\u003cbr\u003e\u2022 Change \u201cBinarySerializer\u201d -\u0026gt; \u201cAcceptBinaryFormattedData\u201d setting from \u2018true\u2019 to \u2018false\u2019.\u003cbr\u003e\u003cdiv\u003e\u2022 Re-cache the XOS Event Handlers assembly\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003eClient Components:\u003cbr\u003e\u2022 Configure clients/products that interface with Enterprise SCADA to only use JSON serialization.\u003cbr\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eHMI:\u003c/div\u003e\u003cdiv\u003e\u2022 Migrate HMI displays\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003eFor step-by-step instructions on where and how to apply these configuration settings, how to migrate HMI displays, compatible server-client versions list, and additional details please refer to \u003ca href=\"https://softwaresupportsp.aveva.com/en-US/knowledge/details/000117814?lang=en_US\"\u003eKB117814 \u201cAVEVA Midstream Product Bulletin \u2013 Removal of Binary Formatter\u201d\u003c/a\u003e."
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\"2023 SP1 P1\"}, {\"status\": \"unaffected\", \"version\": \"2022 SP2 P3\"}, {\"status\": \"unaffected\", \"version\": \"2021 SP2 P6\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AVEVA\", \"product\": \"AVEVA Enterprise SCADA HMI\", \"versions\": [{\"status\": \"affected\", \"version\": \"2024\"}, {\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2023_P1\"}, {\"status\": \"affected\", \"version\": \"2024 R2\"}, {\"status\": \"unaffected\", \"version\": \"2024 R2 HF7\"}, {\"status\": \"unaffected\", \"version\": \"2024 P1\"}, {\"status\": \"unaffected\", \"version\": \"2023 P2 HF1\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AVEVA\", \"product\": \"AVEVA Pipeline Operations for Gas/Liquids\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"2025 P1\"}, {\"status\": \"unaffected\", \"version\": \"2024 SP1 P2\"}, {\"status\": \"unaffected\", \"version\": \"2023 SP1 P1\"}, {\"status\": \"unaffected\", \"version\": \"2022 SP2 P3\"}, {\"status\": \"unaffected\", \"version\": \"2021 SP2 P6\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AVEVA\", \"product\": \"AVEVA Pipeline Integrity Monitor (delivered on Pipeline Simulation media)\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"2025 SP1 P2\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AVEVA\", \"product\": \"AVEVA Pipeline Training Simulator (delivered on Pipeline Simulation media)\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"2025 SP1 P2\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AVEVA\", \"product\": \"Measurement Advisor\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"2025 P1\"}, {\"status\": \"unaffected\", \"version\": \"2021 SP1 HF16\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Security Updates\\n\\nContact your AVEVA Technical Support representative, Customer Success Manager, Account Manager, or Solution Integrator to obtain the security update best applicable to the product version currently deployed in your environment:\\n\\nServers:\\n\\u2022 AVEVA Enterprise SCADA v2025 P1 or higher\\n\\u2022 AVEVA Enterprise SCADA v2024 SP1 P2\\n\\u2022 AVEVA Enterprise SCADA v2023 SP1 P1\\n\\u2022 AVEVA Enterprise SCADA v2022 SP2 P3\\n\\u2022 AVEVA Enterprise SCADA v2021 SP2 P6\\n\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2025 P1 or higher\\n\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2024 SP1 P2\\n\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2023 SP1 P1\\n\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2022 SP2 P3\\n\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2021 SP2 P6\\n\\n\\n\\n\\nClients:\\n\\u2022 AVEVA Enterprise SCADA HMI v2024 R2 HF7 or higher\\n\\u2022 AVEVA Enterprise SCADA HMI v2024 P1\\n\\u2022 AVEVA Enterprise SCADA HMI v2023 P2 HF1\\n\\u2022 AVEVA Pipeline Integrity Monitor (delivered on Pipeline Simulation media) v2025 SP1 P2 or higher\\n\\u2022 AVEVA Pipeline Training Simulator (delivered on Pipeline Simulation media) v2025 SP1 P2 or higher\\n\\u2022 Measurement Advisor 2025 P1 or higher\\n\\u2022 Measurement Advisor 2021 SP1 HF16\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cdiv\u003eSecurity Updates\u003c/div\u003e\u003cdiv\u003eContact your AVEVA Technical Support representative, Customer Success Manager, Account Manager, or Solution Integrator to obtain the security update best applicable to the product version currently deployed in your environment:\u003c/div\u003eServers:\u003cbr\u003e\\u2022 AVEVA Enterprise SCADA v2025 P1 or higher\u003cbr\u003e\\u2022 AVEVA Enterprise SCADA v2024 SP1 P2\u003cbr\u003e\\u2022 AVEVA Enterprise SCADA v2023 SP1 P1\u003cbr\u003e\\u2022 AVEVA Enterprise SCADA v2022 SP2 P3\u003cbr\u003e\\u2022 AVEVA Enterprise SCADA v2021 SP2 P6\u003cbr\u003e\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2025 P1 or higher\u003cbr\u003e\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2024 SP1 P2\u003cbr\u003e\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2023 SP1 P1\u003cbr\u003e\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2022 SP2 P3\u003cbr\u003e\u003cdiv\u003e\\u2022 AVEVA Pipeline Operations for Gas/Liquids v2021 SP2 P6\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003eClients:\u003cbr\u003e\\u2022 AVEVA Enterprise SCADA HMI v2024 R2 HF7 or higher\u003cbr\u003e\\u2022 AVEVA Enterprise SCADA HMI v2024 P1\u003cbr\u003e\\u2022 AVEVA Enterprise SCADA HMI v2023 P2 HF1\u003cbr\u003e\\u2022 AVEVA Pipeline Integrity Monitor (delivered on Pipeline Simulation media) v2025 SP1 P2 or higher\u003cbr\u003e\\u2022 AVEVA Pipeline Training Simulator (delivered on Pipeline Simulation media) v2025 SP1 P2 or higher\u003cbr\u003e\\u2022 Measurement Advisor 2025 P1 or higher\u003cbr\u003e\\u2022 Measurement Advisor 2021 SP1 HF16\", \"base64\": false}]}, {\"lang\": \"en\", \"value\": \"Apply Secure Serialization Settings\\n\\nTo fully mitigate the risk of exploit, the following configuration changes must be implemented after all server and client nodes have been upgraded to compatible versions that support the fix:\\n\\n\\nServer Components:\\n\\u2022 Change \\u201cBinarySerializer\\u201d -\u003e \\u201cMode\\u201d setting from \\u2018Binary Formatter\\u2019 to \\u2018Json\\u2019.\\n\\u2022 Change \\u201cBinarySerializer\\u201d -\u003e \\u201cAcceptBinaryFormattedData\\u201d setting from \\u2018true\\u2019 to \\u2018false\\u2019.\\n\\u2022 Re-cache the XOS Event Handlers assembly\\n\\n\\n\\n\\nClient Components:\\n\\u2022 Configure clients/products that interface with Enterprise SCADA to only use JSON serialization.\\n\\n\\n\\nHMI:\\n\\n\\u2022 Migrate HMI displays\\n\\n\\n\\n\\nFor step-by-step instructions on where and how to apply these configuration settings, how to migrate HMI displays, compatible server-client versions list, and additional details please refer to KB117814 \\u201cAVEVA Midstream Product Bulletin \\u2013 Removal of Binary Formatter\\u201d https://softwaresupportsp.aveva.com/en-US/knowledge/details/000117814 .\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cdiv\u003eApply Secure Serialization Settings\u003c/div\u003e\u003cdiv\u003eTo fully mitigate the risk of exploit, the following configuration changes must be implemented after all server and client nodes have been upgraded to compatible versions that support the fix:\u003c/div\u003e\u003cbr\u003eServer Components:\u003cbr\u003e\\u2022 Change \\u201cBinarySerializer\\u201d -\u0026gt; \\u201cMode\\u201d setting from \\u2018Binary Formatter\\u2019 to \\u2018Json\\u2019.\u003cbr\u003e\\u2022 Change \\u201cBinarySerializer\\u201d -\u0026gt; \\u201cAcceptBinaryFormattedData\\u201d setting from \\u2018true\\u2019 to \\u2018false\\u2019.\u003cbr\u003e\u003cdiv\u003e\\u2022 Re-cache the XOS Event Handlers assembly\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003eClient Components:\u003cbr\u003e\\u2022 Configure clients/products that interface with Enterprise SCADA to only use JSON serialization.\u003cbr\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eHMI:\u003c/div\u003e\u003cdiv\u003e\\u2022 Migrate HMI displays\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003eFor step-by-step instructions on where and how to apply these configuration settings, how to migrate HMI displays, compatible server-client versions list, and additional details please refer to \u003ca href=\\\"https://softwaresupportsp.aveva.com/en-US/knowledge/details/000117814?lang=en_US\\\"\u003eKB117814 \\u201cAVEVA Midstream Product Bulletin \\u2013 Removal of Binary Formatter\\u201d\u003c/a\u003e.\", \"base64\": false}]}, {\"lang\": \"en\", \"value\": \"AVEVA recommends that customers using affected product versions should perform the following to mitigate the risk of exploit:\\n * Evaluate the impact of these vulnerabilities based on your operational environment, architecture, and product implementation.\\n * Plan an upgrade of Servers and Clients to one of the available fixed versions listed in section \\u201cSecurity Updates\\u201d.\\n * Configure Servers and Clients as described in section \\u201cApply Secure Serialization Settings\\u201d.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"AVEVA recommends that customers using affected product versions should perform the following to mitigate the risk of exploit:\u003cbr\u003e\u003col\u003e\u003cli\u003eEvaluate the impact of these vulnerabilities based on your operational environment, architecture, and product implementation.\u003c/li\u003e\u003cli\u003ePlan an upgrade of Servers and Clients to one of the available fixed versions listed in section \\u201cSecurity Updates\\u201d.\u003c/li\u003e\u003cli\u003eConfigure Servers and Clients as described in section \\u201cApply Secure Serialization Settings\\u201d.\u003c/li\u003e\u003c/ol\u003e\", \"base64\": false}]}, {\"lang\": \"en\", \"value\": \"For more information on this vulnerability, including security updates, users should see the security bulletin AVEVA-2026-005.\\n https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-005.pdf\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"For more information on this vulnerability, including security updates, users should see the security bulletin AVEVA-2026-005.\u003cbr\u003e\u003ca href=\\\"https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-005.pdf\\\"\u003ehttps://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-005.pdf\u003c/a\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-005.pdf\"}, {\"url\": \"https://www.cisa.gov/news-events/ics-advisories/icsa-26-225-01\"}, {\"url\": \"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-225-01.json\"}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Defensive Measures and General Considerations\\nThe following general defensive measures are recommended:\\n- Audit devices, network topology, and perimeter defences to ensure all applicable security best practices from AVEVA\\u2019s Enterprise SCADA Reference System Architecture are adhered to.\\n- Audit assigned permissions to ensure that only trusted users are given https://docs.aveva.com/bundle/scada-ent-2025/page/651008.html \\n- Disallow BLT Test clients in production environments.\\nFor additional details on defensive measures, please refer to Section 5 of KB117814 \\u201cAVEVA Midstream Product Bulletin \\u2013 Removal of Binary Formatter\\u201d https://softwaresupportsp.aveva.com/en-US/knowledge/details/000117814 .\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Defensive Measures and General Considerations\u003cbr\u003eThe following general defensive measures are recommended:\u003cbr\u003e- Audit devices, network topology, and perimeter defences to ensure all applicable security best practices from AVEVA\\u2019s Enterprise SCADA Reference System Architecture are adhered to.\u003cbr\u003e- Audit assigned permissions to ensure that only trusted users are given \u003ca href=\\\"https://docs.aveva.com/bundle/scada-ent-2025/page/653520.html\\\"\u003e\\u201cDNA Authority \\u2013 Operator\\u201d\u003c/a\u003e rights: \u003ca href=\\\"https://docs.aveva.com/bundle/scada-ent-2025/page/651008.html\\\"\u003ehttps://docs.aveva.com/bundle/scada-ent-2025/page/651008.html\u003c/a\u003e\u003cbr\u003e- Disallow BLT Test clients in production environments.\u003cbr\u003eFor additional details on defensive measures, please refer to Section 5 of \u003ca href=\\\"https://softwaresupportsp.aveva.com/en-US/knowledge/details/000117814?lang=en_US\\\"\u003eKB117814 \\u201cAVEVA Midstream Product Bulletin \\u2013 Removal of Binary Formatter\\u201d\u003c/a\u003e.\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.4\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"The vulnerability, if exploited, could allow an authenticated miscreant \\nwith \\\"DNA Authority - Operator\\\" privilege to tamper with serialized \\ndata, potentially resulting in code execution during deserialization \\nunder the privilege of Enterprise SCADA security group \\\"DNA Apps\\\".\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"The vulnerability, if exploited, could allow an authenticated miscreant \\nwith \\\"DNA Authority - Operator\\\" privilege to tamper with serialized \\ndata, potentially resulting in code execution during deserialization \\nunder the privilege of Enterprise SCADA security group \\\"DNA Apps\\\".\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-502\", \"description\": \"CWE-502\"}]}], \"providerMetadata\": {\"orgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"shortName\": \"icscert\", \"dateUpdated\": \"2026-08-17T14:33:36.590Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-7639\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-17T20:01:29.491Z\", \"dateReserved\": \"2025-07-14T14:27:04.249Z\", \"assignerOrgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"datePublished\": \"2026-08-14T18:46:18.583Z\", \"assignerShortName\": \"icscert\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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