7.5

CVE-2021-22288: abb pni800_firmware Improper Input Validation

CVSS: 7.5v3.1HighModified
Published 04-02-2022Last modified 17-09-2024

Vulnerability summary

CVE-2021-22288 is a high (CVSS 7.5) Improper Input Validation vulnerability in abb pni800_firmware. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.06%
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. 04-02-2022
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Improper Input Validation vulnerability in the ABB SPIET800 and PNI800 module allows an attacker to cause the denial of service or make the module unresponsive.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.06%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.06% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.06%

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

Abb2 products

1 vendor · 2 products

References

1 links