Vulnerability · Published Mar 16, 2023 · Assigned by icscert
CVE-2023-1256CVE-2023-1256
Critical 9.8
In plain English
A critical-severity security flaw in AVEVA Plant SCADA from AVEVA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 47.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AVEVA | AVEVA Plant SCADA | 2023 Update 10 |
| AVEVA | AVEVA Plant SCADA | 2020R2 Update 10 |
| AVEVA | AVEVA Telemetry Server | 2020 R2 SP1 |