EUVD-2026-73929
GHSA-w8hj-6jq5-pm9g
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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
Unauthenticated network read with no complexity barrier; impact confined to partial confidentiality with no integrity or availability consequence.
Primary rating from Vendor (hq).
CVSS VectorVendor: hq
Lifecycle Timeline
1DescriptionCVE.org
The vulnerability, if exploited, could allow an unauthenticated miscreant to perform read operations intended only for PIMBoards users, resulting in information disclosure. Write operations are not impacted.
AnalysisAI
Unauthenticated network access to read-only PIMBoards endpoints in AVEVA Pipeline Integrity Monitor exposes operational data intended exclusively for authenticated PIMBoards users. The root cause is CWE-862 Missing Authorization - read paths lack access control enforcement, allowing any network-reachable attacker to retrieve restricted information without credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication or special user interaction is required - the CVSS 4.0 vector is PR:N/UI:N/AV:N, confirming unauthenticated remote exploitation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N) scores 6.9, reflecting low-complexity unauthenticated network access with limited confidentiality impact and no integrity or availability consequence. … 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 (https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-006.pdf) for the confirmed patched build. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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