{"affected":[{"affectedData":[{"product":"OAuth2 Proxy","vendor":"pusher","versions":[{"status":"affected","version":"< 5.0.0"}]}],"source":"security-advisories@github.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:oauth2_proxy_project:oauth2_proxy:*:*:*:*:*:*:*:*","matchCriteriaId":"52159988-32E2-45ED-9A9D-F454778AFBAC","versionEndExcluding":"5.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"OAuth2 Proxy before 5.0 has an open redirect vulnerability. Authentication tokens could be silently harvested by an attacker. This has been patched in version 5.0."},{"lang":"es","value":"OAuth2 Proxy versiones anteriores a 5.0, presenta una vulnerabilidad de redireccionamiento abierto. Los tokens de autenticación pueden ser recolectados silenciosamente por parte de un atacante. Esto ha sido parcheado en la versión 5.0."}],"id":"CVE-2020-5233","lastModified":"2026-06-17T03:21:04.743","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":5.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:N","version":"2.0"},"exploitabilityScore":8.6,"impactScore":4.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L","version":"3.1"},"exploitabilityScore":1.2,"impactScore":4.7,"source":"security-advisories@github.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":2.7,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-01-30T19:15:11.883","references":[{"source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"],"url":"https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2"},{"source":"security-advisories@github.com","tags":["Release Notes","Third Party Advisory"],"url":"https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0"},{"source":"security-advisories@github.com","tags":["Exploit","Patch","Third Party Advisory"],"url":"https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"],"url":"https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Third Party Advisory"],"url":"https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Third Party Advisory"],"url":"https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv"}],"sourceIdentifier":"security-advisories@github.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-601"}],"source":"security-advisories@github.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-601"}],"source":"nvd@nist.gov","type":"Primary"}]}