{"id":"CVE-2017-20189","state":"PUBLISHED","title":"In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization. This is relevant if a server deserializes untrusted","description":"In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization. This is relevant if a server deserializes untrusted objects.","publishedAt":"2024-01-22T00:00:00.000Z","updatedAt":"2025-11-03T21:44:02.825Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://hackmd.io/%40fe1w0/HyefvRQKp","https://clojure.atlassian.net/browse/CLJ-2204","https://github.com/frohoff/ysoserial/pull/68/files","https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3","https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378","https://security.netapp.com/advisory/ntap-20241108-0002/"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T19:43:37.076Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/20xxx/CVE-2017-20189.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2017-20189","state":"PUBLISHED","datePublished":"2024-01-22T00:00:00.000Z","dateUpdated":"2025-11-03T21:44:02.825Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2024-01-22T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization. This is relevant if a server deserializes untrusted objects."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://hackmd.io/%40fe1w0/HyefvRQKp"},{"url":"https://clojure.atlassian.net/browse/CLJ-2204"},{"url":"https://github.com/frohoff/ysoserial/pull/68/files"},{"url":"https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3"},{"url":"https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2024-01-22T05:13:27.214Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://hackmd.io/%40fe1w0/HyefvRQKp","tags":["x_transferred"]},{"url":"https://clojure.atlassian.net/browse/CLJ-2204","tags":["x_transferred"]},{"url":"https://github.com/frohoff/ysoserial/pull/68/files","tags":["x_transferred"]},{"url":"https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3","tags":["x_transferred"]},{"url":"https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20241108-0002/"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T21:44:02.825Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-05-08T15:59:16.638577Z","id":"CVE-2017-20189","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","type":"CWE","lang":"en","description":"CWE-502 Deserialization of Untrusted Data"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-30T14:23:04.458Z"}}]}}}