{"id":"CVE-2023-2020","details":"Insufficient permission checks in the REST API in Tribe29 Checkmk \u003c= 2.1.0p27 and \u003c= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host.","modified":"2026-07-10T02:46:41.521963Z","published":"2023-04-18T12:15:07.537Z","references":[{"type":"ADVISORY","url":"https://checkmk.com/werk/13981"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/checkmk/checkmk","events":[{"introduced":"6a686961c4b760c55a13cfdb61e7c02be832a0be"},{"last_affected":"4a9f01eaebaa33dd83008b72d3a7f54321d42b73"}],"database_specific":{"cpe":["cpe:2.3:a:checkmk:checkmk:2.1.0:-:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b1:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p1:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b2:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p2:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b3:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p3:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b4:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p4:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b5:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p5:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b6:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p6:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b7:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p7:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b8:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p8:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:b9:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p9:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p10:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p11:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p12:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p13:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p14:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p15:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p16:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p17:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p18:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p20:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p21:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p22:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p23:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p24:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p25:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p26:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.1.0:p27:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.2.0:b1:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.2.0:i1:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.2.0:b2:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.2.0:b3:*:*:*:*:*:*","cpe:2.3:a:checkmk:checkmk:2.2.0:b4:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.1.0-NA"},{"last_affected":"2.1.0-NA"},{"introduced":"2.1.0-b1"},{"last_affected":"2.1.0-b1"},{"introduced":"2.1.0-p1"},{"last_affected":"2.1.0-p1"},{"introduced":"2.1.0-b2"},{"last_affected":"2.1.0-b2"},{"introduced":"2.1.0-p2"},{"last_affected":"2.1.0-p2"},{"introduced":"2.1.0-b3"},{"last_affected":"2.1.0-b3"},{"introduced":"2.1.0-p3"},{"last_affected":"2.1.0-p3"},{"introduced":"2.1.0-b4"},{"last_affected":"2.1.0-b4"},{"introduced":"2.1.0-p4"},{"last_affected":"2.1.0-p4"},{"introduced":"2.1.0-b5"},{"last_affected":"2.1.0-b5"},{"introduced":"2.1.0-p5"},{"last_affected":"2.1.0-p5"},{"introduced":"2.1.0-b6"},{"last_affected":"2.1.0-b6"},{"introduced":"2.1.0-p6"},{"last_affected":"2.1.0-p6"},{"introduced":"2.1.0-b7"},{"last_affected":"2.1.0-b7"},{"introduced":"2.1.0-p7"},{"last_affected":"2.1.0-p7"},{"introduced":"2.1.0-b8"},{"last_affected":"2.1.0-b8"},{"introduced":"2.1.0-p8"},{"last_affected":"2.1.0-p8"},{"introduced":"2.1.0-b9"},{"last_affected":"2.1.0-b9"},{"introduced":"2.1.0-p9"},{"last_affected":"2.1.0-p9"},{"introduced":"2.1.0-p10"},{"last_affected":"2.1.0-p10"},{"introduced":"2.1.0-p11"},{"last_affected":"2.1.0-p11"},{"introduced":"2.1.0-p12"},{"last_affected":"2.1.0-p12"},{"introduced":"2.1.0-p13"},{"last_affected":"2.1.0-p13"},{"introduced":"2.1.0-p14"},{"last_affected":"2.1.0-p14"},{"introduced":"2.1.0-p15"},{"last_affected":"2.1.0-p15"},{"introduced":"2.1.0-p16"},{"last_affected":"2.1.0-p16"},{"introduced":"2.1.0-p17"},{"last_affected":"2.1.0-p17"},{"introduced":"2.1.0-p18"},{"last_affected":"2.1.0-p18"},{"introduced":"2.1.0-p20"},{"last_affected":"2.1.0-p20"},{"introduced":"2.1.0-p21"},{"last_affected":"2.1.0-p21"},{"introduced":"2.1.0-p22"},{"last_affected":"2.1.0-p22"},{"introduced":"2.1.0-p23"},{"last_affected":"2.1.0-p23"},{"introduced":"2.1.0-p24"},{"last_affected":"2.1.0-p24"},{"introduced":"2.1.0-p25"},{"last_affected":"2.1.0-p25"},{"introduced":"2.1.0-p26"},{"last_affected":"2.1.0-p26"},{"introduced":"2.1.0-p27"},{"last_affected":"2.1.0-p27"},{"introduced":"2.2.0-b1"},{"last_affected":"2.2.0-b1"},{"introduced":"2.2.0-i1"},{"last_affected":"2.2.0-i1"},{"introduced":"2.2.0-b2"},{"last_affected":"2.2.0-b2"},{"introduced":"2.2.0-b3"},{"last_affected":"2.2.0-b3"},{"introduced":"2.2.0-b4"},{"last_affected":"2.2.0-b4"}],"source":"CPE_STRING"}}],"versions":["2.1.0-NA","2.1.0-b1","2.1.0-b2","2.1.0-b3","2.1.0-b4","2.1.0-b5","2.1.0-b6","2.1.0-b7","2.1.0-b8","2.1.0-b9","2.1.0-p10","2.1.0-p11","2.1.0-p12","2.1.0-p13","2.1.0-p14","2.1.0-p15","2.1.0-p16","2.1.0-p17","2.1.0-p18","2.1.0-p2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