TI-2021-05255 Aliases CVE-2021-22277 GHSA-88h6-w4mj-xwh4

AC 800M MMS - Denial of Service vulnerability in MMS communication

LOW 35CWE-20Published 2022-04-01 · Updated 2024-09-17

Key facts

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

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

Summary

Improper Input Validation vulnerability in ABB 800xA, Control Software for AC 800M, Control Builder Safe, Compact Product Suite - Control and I/O, ABB Base Software for SoftControl allows an attacker to cause the denial of service.

Why it matters now

EPSS 0.00947 61st 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

Vendor	Product	Affected versions	Fixed in	Status	Source
ABB	800xA, Control Software for AC 800M	5.1.0-0 and later; up to 5.1.0-3; 5.1.1-0 and later; up to 5.1.1-4; 6.0.0-0 and later; up to 6.0.0-3; 6.1.0-0 and later; up to 6.1.1-1	—	No fix listed	CNA
ABB	Control Builder Safe	1.x; 2.0; 3.0	—	No fix listed	CNA
ABB	Compact Product Suite - Control and I/O	5.1.0-0 and later; up to 5.1.0-3; 5.1.1-0 and later; up to 5.1.1-4; 6.0.0-0 and later; up to 6.0.0-3; 6.1.0-0 and later; up to 6.1.1-1	—	No fix listed	CNA
ABB	ABB Base Software for SoftControl	5.1.0-0 and later; up to 5.1.0-3; 5.1.1-0 and later; up to 5.1.1-4; 6.0.0-0 and later; up to 6.0.0-3; 6.1.0-0 and later; up to 6.1.1-1	—	No fix listed	CNA

800xA, Control Software for AC 800M VendorABB Affected 5.1.0-0 and later; up to 5.1.0-3; 5.1.1-0 and later; up to 5.1.1-4; 6.0.0-0 and later; up to 6.0.0-3; 6.1.0-0 and later; up to 6.1.1-1 Fixed in — No fix listed CNA
Control Builder Safe VendorABB Affected 1.x; 2.0; 3.0 Fixed in — No fix listed CNA
Compact Product Suite - Control and I/O VendorABB Affected 5.1.0-0 and later; up to 5.1.0-3; 5.1.1-0 and later; up to 5.1.1-4; 6.0.0-0 and later; up to 6.0.0-3; 6.1.0-0 and later; up to 6.1.1-1 Fixed in — No fix listed CNA
ABB Base Software for SoftControl VendorABB Affected 5.1.0-0 and later; up to 5.1.0-3; 5.1.1-0 and later; up to 5.1.1-4; 6.0.0-0 and later; up to 6.0.0-3; 6.1.0-0 and later; up to 6.1.1-1 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:abb:800xa:::::::ac_800m:*	5.1.0-0 – 5.1.0-3; 5.1.1-0 – 5.1.1-4; 6.0.0-0 to before 6.0.0-4; 6.1.0-0 to before 6.1.1-2	Vulnerable	ABB
cpe:2.3:a:abb:base_software::::::softcontrol::*	5.1.0-0 – 5.1.0-3; 5.1.1-0 – 5.1.1-4; 6.0.0-0 – 6.0.0-3; 6.1.0-0 – 6.1.1-1	Vulnerable	ABB
cpe:2.3:a:abb:compact_product_suite::::::::	5.1.0-0 – 5.1.0-3; 5.1.1-0 – 5.1.1-4; 6.0.0-0 – 6.0.0-3; 6.1.0-0 – 6.1.1-1	Vulnerable	ABB
cpe:2.3:a:abb:control_builder_safe::::::::	before 3.0	Vulnerable	ABB

cpe:2.3:a:abb:800xa:*:*:*:*:*:*:ac_800m:* Versions 5.1.0-0 – 5.1.0-3; 5.1.1-0 – 5.1.1-4; 6.0.0-0 to before 6.0.0-4; 6.1.0-0 to before 6.1.1-2 Vulnerable ·ABB
cpe:2.3:a:abb:base_software:*:*:*:*:*:softcontrol:*:* Versions 5.1.0-0 – 5.1.0-3; 5.1.1-0 – 5.1.1-4; 6.0.0-0 – 6.0.0-3; 6.1.0-0 – 6.1.1-1 Vulnerable ·ABB
cpe:2.3:a:abb:compact_product_suite:*:*:*:*:*:*:*:* Versions 5.1.0-0 – 5.1.0-3; 5.1.1-0 – 5.1.1-4; 6.0.0-0 – 6.0.0-3; 6.1.0-0 – 6.1.1-1 Vulnerable ·ABB
cpe:2.3:a:abb:control_builder_safe:*:*:*:*:*:*:*:* Versions before 3.0 Vulnerable ·ABB

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-22277
2026-10-03 Alias added: GHSA-88h6-w4mj-xwh4

References

Advisory 1

https://search.abb.com/library/Download.aspx?DocumentID=7PAA001499&LanguageCode=en&DocumentPartId=&Action=Launch

TI-2020-06810 ABB System 800xA Inter process communication vulnerability - 800xA for Mod 300 CVSS 3.1HIGH 7.8
TI-2020-06809 ABB System 800xA Inter process communication vulnerability - 800xA for DCI CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences