{"id":"CVE-2021-22285","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22285","generatedAt":"2026-10-27T23:37:24.645Z","title":"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.","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.","published":"2022-02-04T23:15:11.000Z","lastModified":"2026-06-17T03:36:56.000Z","status":"Modified","sourceIdentifier":"cybersecurity@ch.abb.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-754","CWE-755"],"affected":["abb/pni800 firmware","abb/spiet800 firmware"],"epss":{"score":0.01038,"percentile":0.63709,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://search.abb.com/library/Download.aspx?DocumentID=7PAA001353&LanguageCode=en&DocumentPartId=&Action=Launch","tags":["Vendor Advisory"],"source":"cybersecurity@ch.abb.com"},{"url":"https://search.abb.com/library/Download.aspx?DocumentID=7PAA001353&LanguageCode=en&DocumentPartId=&Action=Launch","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22285","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}