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Fencer Vulns
high 7.5

CVE-2021-22285 json

SECURITY – Denial of Service Vulnerabilities in SPIET800 INFI-Net to Ethernet Transfer module and PNI800 S+ Ethernet communication interface module

published 2022-02-04 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9431

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

Improper Handling of Exceptional Conditions, Improper Check for Unusual or Exceptional Conditions vulnerability in the ABB SPIET800 and PNI800 module that allows an attacker to cause the denial of service or make the module unresponsive.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-097-02 updated cvss 7.5

ABB SPIET800 and PNI800

  • ABB PNI800 <=A_B ABB SPIET800 <=A_B
    affected: vendor fix, mitigation “PIN80: Update to Version B_0 or later (planned Q2 2022)” search.abb.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • ABB SPIET800
  • ABB PNI800

Classification

Weakness
  • CWE-755 Improper Handling of Exceptional Conditions
  • CWE-754 Improper Check for Unusual or Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.