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Pipeline Integrity Monitor CVE-2026-81821

| EUVDEUVD-2026-73932 HIGH
Use of Hard-coded Cryptographic Key (CWE-321)
2026-09-08 ics-cert@hq.dhs.gov GHSA-xgr2-pj73-vrpj
8.3
CVSS 4.0 · Vendor: hq
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Severity by source

Vendor (hq) PRIMARY
8.3 HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/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
vuln.today AI
8.4 HIGH

Local file-read access is sufficient (AV:L/PR:L); hardcoded key trivial to apply (AC:L); scope change reflects decrypted credential reuse against downstream infrastructure (C:H/I:H).

3.1 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N

Primary rating from Vendor (hq).

CVSS VectorVendor: hq

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Sep 08, 2026 - 19:28 vuln.today
CVE Published
Sep 08, 2026 - 18:20 cve.org
HIGH 8.3

DescriptionCVE.org

The vulnerability, if exploited, could allow a miscreant with read access to PIMBoards project files to decrypt and view sensitive information.

AnalysisAI

Hard-coded cryptographic key (CWE-321) in AVEVA Pipeline Integrity Monitor through version 2025 SP1 P1 (build 7.1.9580.8513) enables any local user with read access to PIMBoards project files to decrypt and view sensitive protected content. The CVSS 4.0 vector's subsequent-system impacts (SC:H/SI:H) indicate the decrypted material - likely credentials, connection strings, or configuration data - is sufficient to compromise downstream pipeline control or monitoring infrastructure, making this a lateral-movement enabler in OT/ICS environments. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires local filesystem read access to PIMBoards project files on a host running AVEVA Pipeline Integrity Monitor through build 7.1.9580.8513. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 8.3 is driven primarily by the scope-changed subsequent-system metrics (SC:H/SI:H), which reflect that decrypted project file content likely contains credentials or access material reusable against connected pipeline infrastructure - not just passive data exposure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Consult AVEVA Security Bulletin AVEVA-2026-006 at https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-006.pdf for the official patch and exact fixed build number - the available intelligence identifies only the vulnerable ceiling (build 7.1.9580.8513) and does not specify a patched release version independently. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all systems running AVEVA Pipeline Integrity Monitor through build 7.1.9580.8513 and immediately restrict file-system permissions on PIMBoards project files to administrative accounts only. …

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CVE-2026-81821 vulnerability details – vuln.today

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