CVE-2023-1256
Last modified
CVE-2023-1256 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Aveva | Aveva Plant Scada | 2020r2 |
| Aveva | Aveva Plant Scada | 2023 |
| Aveva | Telemetry Server | 2020r2 |
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-073-04Third Party Advisory, US Government Resource
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-073-04Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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