{"id":"CVE-2023-28432","published":"2023-03-22T21:15:18Z","modified":"2026-06-17T05:47:42Z","title":"MinIO Information Disclosure Vulnerability","vendor":"MinIO","product":"MinIO","tier":"core","eol":null,"description":{"text":"Minio is a Multi-Cloud Object Storage framework. In a cluster deployment starting with RELEASE.2019-12-17T23-16-33Z and prior to RELEASE.2023-03-20T20-16-18Z, MinIO returns all environment variables, including `MINIO_SECRET_KEY`\nand `MINIO_ROOT_PASSWORD`, resulting in information disclosure. All users of distributed deployment are impacted. All users are advised to upgrade to RELEASE.2023-03-20T20-16-18Z.","provenance":"source","from":"NVD"},"summary":{"text":"MinIO, the multi-cloud object storage framework, exposes all of its environment variables in cluster (distributed) deployments from RELEASE.2019-12-17T23-16-33Z up to but not including RELEASE.2023-03-20T20-16-18Z, including the secret key and root password. An unauthenticated attacker with network access to the deployment can obtain these values, with no user interaction or prior authentication required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:10:59Z"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.83957,"percentile":0.99692,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2023-04-21","dueDate":"2023-05-12","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q; https://nvd.nist.gov/vuln/detail/CVE-2023-28432","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-03-24","exploitedFirstSeen":"2023-03-24","ransomware":false,"evidence":[{"url":"https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean","date":"2023-03-24"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-04-21"},{"url":"https://www.securityjoes.com/post/new-attack-vector-in-the-cloud-attackers-caught-exploiting-object-storage-services","date":"2023-09-04"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-15&host_type=src&vulnerability=cve-2023-28432","date":"2023-11-15"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-16&host_type=src&vulnerability=cve-2023-28432","date":"2023-11-16"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-21&host_type=src&vulnerability=cve-2023-28432","date":"2023-11-21"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-22&host_type=src&vulnerability=cve-2023-28432","date":"2023-11-22"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-24&host_type=src&vulnerability=cve-2023-28432","date":"2023-11-24"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-25&host_type=src&vulnerability=cve-2023-28432","date":"2023-11-25"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-12-04&host_type=src&vulnerability=cve-2023-28432","date":"2023-12-04"}],"evidenceTotal":620,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor"}],"references":[{"url":"https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z","tags":["Release Notes"]},{"url":"https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q","tags":["Exploit","Vendor Advisory"]},{"url":"https://twitter.com/Andrew___Morris/status/1639325397241278464","tags":["Third Party Advisory"]},{"url":"https://viz.greynoise.io/tag/minio-information-disclosure-attempt","tags":["Third Party Advisory"]},{"url":"https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean","tags":["Third Party Advisory"]},{"url":"https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z","tags":["Release Notes"]},{"url":"https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q","tags":["Exploit","Vendor Advisory"]},{"url":"https://twitter.com/Andrew___Morris/status/1639325397241278464","tags":["Third Party Advisory"]},{"url":"https://viz.greynoise.io/tag/minio-information-disclosure-attempt","tags":["Third Party Advisory"]},{"url":"https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean","tags":["Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28432","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Network-reachable MinIO cluster endpoint exploited remotely","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"In a cluster deployment starting with RELEASE.2019-12-17T23-16-33Z and prior to RELEASE.2023-03-20T20-16-18Z","start":49,"end":157}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1552","name":"Unsecured Credentials","tactics":["credential-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Exposes stored secrets from environment variables","mappingType":"primary_impact","evidence":[{"from":"description","quote":"MinIO returns all environment variables, including `MINIO_SECRET_KEY`","start":159,"end":228}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-32124","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-32124","exploited":true,"exploitedSince":"2023-04-21","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":19,"skipped":1,"earliest":"2023-03-23","earliestUrl":"https://github.com/Mr-xn/CVE-2023-28432","repos":[{"name":"MzzdToT/CVE-2023-28432","url":"https://github.com/MzzdToT/CVE-2023-28432","stars":37,"created":"2023-03-24"},{"name":"Mr-xn/CVE-2023-28432","url":"https://github.com/Mr-xn/CVE-2023-28432","stars":34,"created":"2023-03-23"},{"name":"acheiii/CVE-2023-28432","url":"https://github.com/acheiii/CVE-2023-28432","stars":15,"created":"2023-03-24"},{"name":"Chocapikk/CVE-2023-28432","url":"https://github.com/Chocapikk/CVE-2023-28432","stars":11,"created":"2023-09-05"},{"name":"gobysec/CVE-2023-28432","url":"https://github.com/gobysec/CVE-2023-28432","stars":10,"created":"2023-03-23"}]},"metasploit":[{"name":"MinIO Bootstrap Verify Information Disclosure","module":"auxiliary/gather/minio_bootstrap_verify_info_disc","type":"auxiliary","disclosureDate":"2023-03-20","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/minio_bootstrap_verify_info_disc.rb"}],"nuclei":[{"id":"CVE-2023-28432","name":"MinIO Cluster Deployment - Information Disclosure","severity":"high","path":"http/cves/2023/CVE-2023-28432.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-28432.yaml"}],"first":{"date":"2023-03-20","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/minio_bootstrap_verify_info_disc.rb"},"provenance":"source"},"exploitRefs":["https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q"],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1552"],"provenance":"ai"}],"timeline":[{"date":"2023-03-20","kind":"exploit-public","label":"First public exploit: Metasploit; later: PoC-in-GitHub 2023-03-23","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/minio_bootstrap_verify_info_disc.rb","provenance":"source"},{"date":"2023-03-22","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28432","provenance":"source"},{"date":"2023-03-24","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean","provenance":"source"},{"date":"2023-04-21","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2023-04-21","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-32124","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":30},"priority":{"score":68.2,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1316 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.94,"detail":"percentile 0.9969"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit; 19 PoC-in-GitHub repos; 1 Metasploit module; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.25,"detail":"base score 7.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}