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TI-2021-05262 Aliases CVE-2021-22284GHSA-xpp9-6v93-3xvq

SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability

Priority MEDIUM 40CWE-732Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00831 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ABB800xA, Control Software for AC 800M OPC Server for AC 800Mup to 5.1.0-x; up to 5.1.1-x; 6.0.0-1; 6.0.0-2; 6.0.0-3—No fix listedCNA
ABBControl Builder Safe, version 1.x OPC Server for AC 800M5.1.1-1—No fix listedCNA
ABBControl Builder Safe, version 2.0 OPC Server for AC 800M6.0.0-1—No fix listedCNA
ABBCompact Product Suite - Control and I/O OPC Server for AC 800Mup to 5.1.0-x; up to 5.1.1-x; up to 6.0.0-x—No fix listedCNA
  • 800xA, Control Software for AC 800M OPC Server for AC 800M VendorABB Affected up to 5.1.0-x; up to 5.1.1-x; 6.0.0-1; 6.0.0-2; 6.0.0-3 Fixed in — No fix listed CNA
  • Control Builder Safe, version 1.x OPC Server for AC 800M VendorABB Affected 5.1.1-1 Fixed in — No fix listed CNA
  • Control Builder Safe, version 2.0 OPC Server for AC 800M VendorABB Affected 6.0.0-1 Fixed in — No fix listed CNA
  • Compact Product Suite - Control and I/O OPC Server for AC 800M VendorABB Affected up to 5.1.0-x; up to 5.1.1-x; up to 6.0.0-x Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:abb:opc_server_for_ac_800m:*:*:*:*:*:*:*:*5.1.0-0 to before 6.0.0-4VulnerableABB
  • cpe:2.3:a:abb:opc_server_for_ac_800m:*:*:*:*:*:*:*:* Versions 5.1.0-0 to before 6.0.0-4 Vulnerable ·ABB

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22284
  2. 2026-10-03 Alias added: GHSA-xpp9-6v93-3xvq

References

Sources