{"id":"CVE-2021-27498","details":"A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.","modified":"2026-05-18T17:52:47.170078Z","published":"2022-05-12T20:15:13.843Z","references":[{"type":"ADVISORY","url":"https://github.com/EIPStackGroup/OpENer"},{"type":"ADVISORY","url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eipstackgroup/opener","events":[{"introduced":"0"},{"last_affected":"150146e3058a493d5accf6d5f76ff450468d7bd7"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.3"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:opener_project:opener:*:*:*:*:*:*:*:*"}}],"versions":["v2.3","v2.2.1","v2.2.0","v2.1.0","v1.2.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-27498.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}