{"id":"CVE-2023-27591","state":"PUBLISHED","title":"Unauthenticated Miniflux user can bypass allowed networks check to obtain Prometheus metrics","description":"Miniflux is a feed reader. Prior to version 2.0.43, an unauthenticated user can retrieve Prometheus metrics from a publicly reachable Miniflux instance where the `METRICS_COLLECTOR` configuration option is enabled and `METRICS_ALLOWED_NETWORKS` is set to `127.0.0.1/8` (the default). A patch is available in Miniflux 2.0.43. As a workaround, set `METRICS_COLLECTOR` to `false` (default) or run Miniflux behind a trusted reverse-proxy.","publishedAt":"2023-03-17T19:04:03.702Z","updatedAt":"2025-02-25T14:53:48.603Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["miniflux v2"],"affected":[{"vendor":"miniflux","product":"v2","versions":[{"version":"< 2.0.43","status":"affected"}]}],"references":["https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v","https://github.com/miniflux/v2/pull/1745","https://github.com/miniflux/v2/releases/tag/2.0.43","https://miniflux.app/docs/configuration.html#metrics-collector"],"weaknesses":["CWE-1220","CWE-200"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/27xxx/CVE-2023-27591.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-27591","state":"PUBLISHED","datePublished":"2023-03-17T19:04:03.702Z","dateUpdated":"2025-02-25T14:53:48.603Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-03-04T01:03:53.635Z"},"containers":{"cna":{"title":"Unauthenticated Miniflux user can bypass allowed networks check to obtain Prometheus metrics","descriptions":[{"lang":"en","value":"Miniflux is a feed reader. Prior to version 2.0.43, an unauthenticated user can retrieve Prometheus metrics from a publicly reachable Miniflux instance where the `METRICS_COLLECTOR` configuration option is enabled and `METRICS_ALLOWED_NETWORKS` is set to `127.0.0.1/8` (the default). A patch is available in Miniflux 2.0.43. As a workaround, set `METRICS_COLLECTOR` to `false` (default) or run Miniflux behind a trusted reverse-proxy."}],"affected":[{"vendor":"miniflux","product":"v2","versions":[{"version":"< 2.0.43","status":"affected"}]}],"references":[{"url":"https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v","name":"https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/miniflux/v2/pull/1745","name":"https://github.com/miniflux/v2/pull/1745","tags":["x_refsource_MISC"]},{"url":"https://github.com/miniflux/v2/releases/tag/2.0.43","name":"https://github.com/miniflux/v2/releases/tag/2.0.43","tags":["x_refsource_MISC"]},{"url":"https://miniflux.app/docs/configuration.html#metrics-collector","name":"https://miniflux.app/docs/configuration.html#metrics-collector","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1220","lang":"en","description":"CWE-1220: Insufficient Granularity of Access Control","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-03-17T19:04:03.702Z"},"source":{"advisory":"GHSA-3qjf-qh38-x73v","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v","name":"https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/miniflux/v2/pull/1745","name":"https://github.com/miniflux/v2/pull/1745","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/miniflux/v2/releases/tag/2.0.43","name":"https://github.com/miniflux/v2/releases/tag/2.0.43","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://miniflux.app/docs/configuration.html#metrics-collector","name":"https://miniflux.app/docs/configuration.html#metrics-collector","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T12:16:35.891Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-25T14:30:31.150918Z","id":"CVE-2023-27591","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-25T14:53:48.603Z"}}]}}}