{"id":"CVE-2021-29622","state":"PUBLISHED","title":"Arbitrary redirects under /new endpoint","description":"Prometheus is an open-source monitoring system and time series database. In 2.23.0, Prometheus changed its default UI to the New ui. To ensure a seamless transition, the URL's prefixed by /new redirect to /. Due to a bug in the code, it is possible for an attacker to craft an URL that can redirect to any other URL, in the /new endpoint. If a user visits a prometheus server with a specially crafted address, they can be redirected to an arbitrary URL. The issue was patched in the 2.26.1 and 2.27.1 releases. In 2.28.0, the /new endpoint will be removed completely. The workaround is to disable access to /new via a reverse proxy in front of Prometheus.","publishedAt":"2021-05-19T20:00:13.000Z","updatedAt":"2024-08-03T22:11:06.291Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["prometheus prometheus"],"affected":[{"vendor":"prometheus","product":"prometheus","versions":[{"version":">= 2.23.0, < 2.27.1","status":"affected"}]}],"references":["https://github.com/prometheus/prometheus/security/advisories/GHSA-vx57-7f4q-fpc7","https://github.com/prometheus/prometheus/releases/tag/v2.26.1","https://github.com/prometheus/prometheus/releases/tag/v2.27.1"],"weaknesses":["CWE-601"],"ingestedAt":"2026-10-29T19:48:21.578Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/29xxx/CVE-2021-29622.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-29622","state":"PUBLISHED","datePublished":"2021-05-19T20:00:13.000Z","dateUpdated":"2024-08-03T22:11:06.291Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2021-03-30T00:00:00.000Z"},"containers":{"cna":{"title":"Arbitrary redirects under /new endpoint","descriptions":[{"lang":"en","value":"Prometheus is an open-source monitoring system and time series database. In 2.23.0, Prometheus changed its default UI to the New ui. To ensure a seamless transition, the URL's prefixed by /new redirect to /. Due to a bug in the code, it is possible for an attacker to craft an URL that can redirect to any other URL, in the /new endpoint. If a user visits a prometheus server with a specially crafted address, they can be redirected to an arbitrary URL. The issue was patched in the 2.26.1 and 2.27.1 releases. In 2.28.0, the /new endpoint will be removed completely. The workaround is to disable access to /new via a reverse proxy in front of Prometheus."}],"affected":[{"vendor":"prometheus","product":"prometheus","versions":[{"version":">= 2.23.0, < 2.27.1","status":"affected"}]}],"references":[{"url":"https://github.com/prometheus/prometheus/security/advisories/GHSA-vx57-7f4q-fpc7","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/prometheus/prometheus/releases/tag/v2.26.1","tags":["x_refsource_MISC"]},{"url":"https://github.com/prometheus/prometheus/releases/tag/v2.27.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-601","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2021-05-19T20:00:12.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-vx57-7f4q-fpc7","discovery":"UNKNOWN"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-29622","STATE":"PUBLIC","TITLE":"Arbitrary redirects under /new endpoint"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"prometheus","version":{"version_data":[{"version_value":">= 2.23.0, < 2.27.1"}]}}]},"vendor_name":"prometheus"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Prometheus is an open-source monitoring system and time series database. 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