CVE-2021-22277

Name: CVE-2021-22277
Creator: NVD / NIST
Published: 2022-04-01T23:15:08.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2021-22277 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.91%

55.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Abb	800xa	>= 5.1.0-0, <= 5.1.0-3
Abb	800xa	>= 5.1.1-0, <= 5.1.1-4
Abb	800xa	>= 6.0.0-0, < 6.0.0-4
Abb	800xa	>= 6.1.0-0, < 6.1.1-2
Abb	Base Software	>= 5.1.0-0, <= 5.1.0-3
Abb	Base Software	>= 5.1.1-0, <= 5.1.1-4
Abb	Base Software	>= 6.0.0-0, <= 6.0.0-3
Abb	Base Software	>= 6.1.0-0, <= 6.1.1-1
Abb	Compact Product Suite	>= 5.1.0-0, <= 5.1.0-3
Abb	Compact Product Suite	>= 5.1.1-0, <= 5.1.1-4
Abb	Compact Product Suite	>= 6.0.0-0, <= 6.0.0-3
Abb	Compact Product Suite	>= 6.1.0-0, <= 6.1.1-1
Abb	Control Builder Safe	< 3.0

References

Timeline

Published: Apr 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22277?

How severe is CVE-2021-22277?

CVE-2021-22277 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22277?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22277?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST