7.8

CVE-2021-22277: abb 800xa Improper Input Validation

CVSS: 7.8v2.0HighModified
Published 01-04-2022Last modified 17-09-2024

Vulnerability summary

CVE-2021-22277 is a high (CVSS 7.8) Improper Input Validation vulnerability in abb 800xa. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
0.95%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-04-2022
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.95%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.95% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.95%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Abb7 products
  • 800xa≥ 5.1.0-0, ≤ 5.1.0-3 | ≥ 5.1.1-0, ≤ 5.1.1-4 | ≥ 6.0.0-0, < 6.0.0-4 | ≥ 6.1.0-0, < 6.1.1-2
  • 800xa, control software for ac 800m≥ 5.1.0-0, < unspecified | ≥ unspecified, ≤ 5.1.0-3 | ≥ 5.1.1-0, < unspecified | ≥ unspecified, ≤ 5.1.1-4 | ≥ 6.0.0-0, < unspecified | ≥ unspecified, ≤ 6.0.0-3 | ≥ 6.1.0-0, < unspecified | ≥ unspecified, ≤ 6.1.1-1
  • abb base software for softcontrol≥ 5.1.0-0, < unspecified | ≥ unspecified, ≤ 5.1.0-3 | ≥ 5.1.1-0, < unspecified | ≥ unspecified, ≤ 5.1.1-4 | ≥ 6.0.0-0, < unspecified | ≥ unspecified, ≤ 6.0.0-3 | ≥ 6.1.0-0, < unspecified | ≥ unspecified, ≤ 6.1.1-1
  • base_software≥ 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
  • 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

1 vendor · 7 products

References

1 links