CVE-2023-1256

moderate-risk
Published 2023-03-16

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.

Do I need to act?

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0.25% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (6)

Aveva Plant Scada
Aveva Plant Scada
Aveva Plant Scada
Aveva Plant Scada
Telemetry Server
Telemetry Server

Affected Vendors

Aveva

References (2)

Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-23-073-04
Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-23-073-04
46
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 13/34 · Low