CVE-2021-22277

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

HIGH

7.5

CVSS Score

Published: April 1, 2022 at 10:17 PM UTC

Updated: June 17, 2026 at 03:36 AM UTC

6 products affected across 1 vendorControl Builder SafeBase Software800XA

Using 800xA, Control Software for AC 800M by ABB?

Get instant alerts when new vulnerabilities affect 800xA, Control Software for AC 800M - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.5

Exploit prediction

EPSS 0.9%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

800XA · ABB

95%

v ≥ 5.1.0-0v ≥ 5.1.1-0v ≥ 6.0.0-0v ≥ 6.1.0-0v ≤ 5.1.0-3v ≤ 5.1.1-4v ≤ 6.0.0-3v ≤ 6.1.1-15.1.0-0 ≤ v ≤ 5.1.0-35.1.1-0 ≤ v ≤ 5.1.1-46.0.0-0 ≤ v < 6.0.0-46.1.0-0 ≤ v < 6.1.1-25.1.0-0 5.1.1-0 6.0.0-0 6.1.0-0

Affected range stops below 6.0.0-4, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.1.1-2, so it looks safe — our inference, not a vendor statement

Base Software · ABB

95%

5.1.0-0 ≤ v ≤ 5.1.0-35.1.1-0 ≤ v ≤ 5.1.1-46.0.0-0 ≤ v ≤ 6.0.0-36.1.0-0 ≤ v ≤ 6.1.1-1

Compact Product Suite · ABB

95%

v ≥ 5.1.0-0v ≥ 5.1.1-0v ≥ 6.0.0-0v ≥ 6.1.0-0v ≤ 5.1.0-3v ≤ 5.1.1-4v ≤ 6.0.0-3v ≤ 6.1.1-15.1.0-0 ≤ v ≤ 5.1.0-35.1.1-0 ≤ v ≤ 5.1.1-46.0.0-0 ≤ v ≤ 6.0.0-36.1.0-0 ≤ v ≤ 6.1.1-15.1.0-0 5.1.1-0 6.0.0-0 6.1.0-0

Control Builder Safe · ABB

95%

v < 3.01.x 2.0 3.0

Affected range stops below 3.0, so it looks safe — our inference, not a vendor statement

Base · ABB

60%

v ≥ 5.1.0-0v ≥ 5.1.1-0v ≥ 6.0.0-0v ≥ 6.1.0-0v ≤ 5.1.0-3v ≤ 5.1.1-4v ≤ 6.0.0-3v ≤ 6.1.1-15.1.0-0 5.1.1-0 6.0.0-0 6.1.0-0

Control Software for AC 800M · ABB

60%

v ≥ 5.1.0-0v ≥ 5.1.1-0v ≥ 6.0.0-0v ≥ 6.1.0-0v ≤ 5.1.0-3v ≤ 5.1.1-4v ≤ 6.0.0-3v ≤ 6.1.1-15.1.0-0 5.1.1-0 6.0.0-0 6.1.0-0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

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

CVSS

7.5HIGHABB

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card