CVE-2021-22286

mediumpriority · track · 30EPSS 0.011 · 64 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.06% (64th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedPNI800cisa_csaf_ot
SPIET800: Update to Version A_C or later (planned Q2 2022)
FixedSPIET800cisa_csaf_ot
SPIET800: Update to Version A_C or later (planned Q2 2022)
MitigationPNI800cisa_csaf_ot
ABB advises users to review their installations to determine if they are using an impacted product as listed above.
MitigationSPIET800cisa_csaf_ot
ABB advises users to review their installations to determine if they are using an impacted product as listed above.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · cybersecurity@ch.abb.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-241US

affected products (8)

Products and version ranges known to be affected.

PNI800: Firmware Version A_B or priorall versionscisa_csaf_otUS
SPIET800: Firmware Version A_B or priorall versionscisa_csaf_otUS
ABB PNI800≤ A_Bcisa_csaf_otUS
ABB SPIET800≤ A_Bcisa_csaf_otUS
ABB PNI800≤ unspecified ≤A_Benisa_euvdEU
ABB SPIET800≤ unspecified ≤A_Benisa_euvdEU
abb pni800 firmware≤ a_bnvdUScpe:2.3:o:abb:pni800_firmware:*:*:*:*:*:*:*:*
abb spiet800 firmware≤ a_bnvdUScpe:2.3:o:abb:spiet800_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-22-097-02ABB SPIET800 and PNI8002022-04-07icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could cause the affect device to become unresponsive, resulting in a denial-of-service condition and requiring a manual reboot.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2022-02-04modified 2026-06-17

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+25171 more

references (6)

External citations — patches, advisories, analysis.

scry

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