CVE-2021-22285
No exploitation reported by the sources we read.
- Published2022-02-04
- WeaknessCWE-754 · CWE-755
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
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.
Timeline
dates in UTC- 2022-02-0423:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-22285?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-22285?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | ≤ a_b | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | ≤ a_b | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
ABB SPIET800 and PNI800
PNI800: Firmware Version A_B or prior · SPIET800: Firmware Version A_B or prior
Fix
- Vendor fix CISA ICSA-22-097-02 · 2 productsSPIET800: Update to Version A_C or later (planned Q2 2022)
- Mitigation from the vendor CISA ICSA-22-097-02 · 2 productsPIN80: Update to Version B_0 or later (planned Q2 2022)
- Mitigation from the vendor CISA ICSA-22-097-02 · 2 productsABB advises users to review their installations to determine if they are using an impacted product as listed above.
- Mitigation from the vendor CISA ICSA-22-097-02 · 2 productsPlease see ABB Symphony Plus advisory and ABB Cybersecurity alerts portal for more information.
Advisories and patches
- search.abb.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 2022-02-04
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2021-22285?
Is CVE-2021-22285 actively exploited?
What is the CVSS score for CVE-2021-22285?
Running ABB SPIET800 and PNI800? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.