by Kastro
Paper/Archive/CVE-2023-1256

CVE-2023-1256

AVEVA AVEVA Plant SCADA — CVE-2023-1256

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (NVD, CNA agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 52.3.523 × 2010.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
AVEVA Plant SCADA2023 Update 10–CNA
AVEVA Plant SCADA2020R2 Update 10–CNA
AVEVA Telemetry Server2020 R2 SP1–CNA

Scores by source

icscert (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcisa.gov/news-events/ics-advisories/icsa-23-073-04