Vulnerability · Published Feb 4, 2022 · Assigned by ABB
CVE-2021-22284SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability
High 8.4
In plain English
A high-severity incorrect permission assignment in 800xA, Control Software for AC 800M OPC Server for AC 800M from ABB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.8%top 42.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Incorrect Permission Assignment for Critical Resource vulnerability in OPC Server for AC 800M allows an attacker to execute arbitrary code in the node running the AC800M OPC Server.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ABB | 800xA, Control Software for AC 800M OPC Server for AC 800M | unspecified – through 5.1.0-xunspecified – through 5.1.1-x6.0.0-16.0.0-26.0.0-3 |
| ABB | Control Builder Safe, version 1.x OPC Server for AC 800M | 5.1.1-1 |
| ABB | Control Builder Safe, version 2.0 OPC Server for AC 800M | 6.0.0-1 |
| ABB | Compact Product Suite - Control and I/O OPC Server for AC 800M | unspecified – through 5.1.0-xunspecified – through 5.1.1-xunspecified – through 6.0.0-x |
Weakness: CWE-732 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H