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Status published
Critical
CVE-2023-1256
CVE-2023-1256
Vulnerability Description
The listed versions of AVEVA Plant SCADA and AVEVA Telemetry Server are vulnerable to an improper authorization exploit which could allow an unauthenticated user to remotely read data, cause denial of service, and tamper with alarm states.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
AVEVA
View all reports →Affected Software
AVEVA Plant SCADA, AVEVA Telemetry Server
Vulnerable Versions:
2023 Update 10, 2020R2 Update 10, 2020 R2 SP1
Timeline
Official Publish:
March 16th, 2023
Last Modified:
January 16th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.