{"id":"CVE-2021-22277","aliases":["EUVD-2021-9423","GHSA-88h6-w4mj-xwh4"],"status":"published","title":"AC 800M MMS - Denial of Service vulnerability in MMS communication","description":"Improper Input Validation vulnerability in ABB 800xA, Control Software for AC 800M, Control Builder Safe, Compact Product Suite - Control and I/O, ABB Base Software for SoftControl allows an attacker to cause the denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00947,"percentile":0.6157,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2022-04-01T22:17:43Z","modified":"2026-06-17T03:36:55Z","products":[{"vendor":"abb","product":"800xa"},{"vendor":"abb","product":"800xa, control software for ac 800m"},{"vendor":"abb","product":"abb base software for softcontrol"},{"vendor":"abb","product":"base_software"},{"vendor":"abb","product":"compact product suite - control and i/o"},{"vendor":"abb","product":"compact_product_suite"},{"vendor":"abb","product":"control builder safe"},{"vendor":"abb","product":"control_builder_safe"}],"references":[{"url":"https://search.abb.com/library/Download.aspx?DocumentID=7PAA001499\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22277"},{"url":"https://github.com/advisories/GHSA-88h6-w4mj-xwh4"}],"sources":{"cve":[{"id":"CVE-2021-22277","title":"AC 800M MMS - Denial of Service vulnerability in MMS communication","description":"Improper Input Validation vulnerability in ABB 800xA, Control Software for AC 800M, Control Builder Safe, Compact Product Suite - Control and I/O, ABB Base Software for SoftControl allows an attacker to cause the denial of service.","status":"published","published":"2022-04-01T22:17:43.044Z","modified":"2024-09-17T01:41:41.993Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-9423","description":"Improper Input Validation vulnerability in ABB 800xA, Control Software for AC 800M, Control Builder Safe, Compact Product Suite - Control and I/O, ABB Base Software for SoftControl allows an attacker to cause the denial of service.","status":"published","published":"2022-04-01T22:17:43Z","modified":"2024-09-17T01:41:41Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:47.497259Z"}],"ghsa":[{"id":"GHSA-88h6-w4mj-xwh4","title":"Improper Input Validation vulnerability in ABB 800xA, Control Software for AC 800M, Control...","description":"Improper Input Validation vulnerability in ABB 800xA, Control Software for AC 800M, Control Builder Safe, Compact Product Suite - Control and I/O, ABB Base Software for SoftControl allows an attacker to cause the denial of service.","status":"published","published":"2022-04-03T00:01:04Z","modified":"2023-01-27T05:01:17Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:41:51.63425Z"}],"nvd":[{"id":"CVE-2021-22277","description":"Improper Input Validation vulnerability in ABB 800xA, Control Software for AC 800M, Control Builder Safe, Compact Product Suite - Control and I/O, ABB Base Software for SoftControl allows an attacker to cause the denial of service.","status":"published","published":"2022-04-01T23:15:08.833Z","modified":"2026-06-17T03:36:55.323Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}