{"id":"CVE-2024-38861","state":"PUBLISHED","title":"Lack of TLS validation in plugin MikroTik on Checkmk Exchange","description":"Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a.","publishedAt":"2024-09-27T08:11:46.790Z","updatedAt":"2024-09-27T15:21:54.470Z","severity":{"score":4.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N","source":"Checkmk"},"assigner":"Checkmk","products":["MikroTik"],"affected":[{"packageName":"MikroTik","defaultStatus":"affected","versions":[{"version":"2.0.0","status":"affected","lessThanOrEqual":"2.5.5","versionType":"semver"},{"version":"0.4a_mk","status":"affected","lessThanOrEqual":"2.0a","versionType":"custom"}],"collectionURL":"https://exchange.checkmk.com/packages"}],"references":["https://exchange.checkmk.com/p/mikrotik"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/38xxx/CVE-2024-38861.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-38861","state":"PUBLISHED","datePublished":"2024-09-27T08:11:46.790Z","dateUpdated":"2024-09-27T15:21:54.470Z","assignerShortName":"Checkmk","assignerOrgId":"f7d6281c-4801-44ce-ace2-493291dedb0f","dateReserved":"2024-06-20T10:03:09.178Z"},"containers":{"cna":{"title":"Lack of TLS validation in plugin MikroTik on Checkmk Exchange","descriptions":[{"lang":"en","value":"Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a."}],"affected":[{"packageName":"MikroTik","defaultStatus":"affected","versions":[{"version":"2.0.0","status":"affected","lessThanOrEqual":"2.5.5","versionType":"semver"},{"version":"0.4a_mk","status":"affected","lessThanOrEqual":"2.0a","versionType":"custom"}],"collectionURL":"https://exchange.checkmk.com/packages"}],"references":[{"url":"https://exchange.checkmk.com/p/mikrotik","tags":["product"]}],"metrics":[{"cvssV4_0":{"baseScore":4.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","description":"CWE-295 Improper Certificate Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Checkmk","orgId":"f7d6281c-4801-44ce-ace2-493291dedb0f","dateUpdated":"2024-09-27T10:08:54.549Z"},"credits":[{"lang":"en","type":"finder","value":"Jakob Hartmann of Limes Security"},{"lang":"en","type":"finder","value":"Peter Panholzer of Limes Security"}],"exploits":[{"lang":"en","value":"A PoC of an exploit was performed, where an attacker would intercept the communication, supply a self-signed certificate to the plugin and would subsequently be able to read transmitted credentials in clear-text."}],"impacts":[{"capecId":"CAPEC-217","descriptions":[{"lang":"en","value":"CAPEC-217 Exploiting Incorrectly Configured SSL/TLS"}]}],"source":{"discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-27T15:21:41.675378Z","id":"CVE-2024-38861","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-27T15:21:54.470Z"}}]}}}