{"cve":"CVE-2020-15223","nvd":{"published":"2020-09-24T17:15:13.210","modified":"2026-06-17T02:56:18.113","status":"Modified","description":"In ORY Fosite (the security first OAuth2 & OpenID Connect framework for Go) before version 0.34.0, the `TokenRevocationHandler` ignores errors coming from the storage. This can lead to unexpected 200 status codes indicating successful revocation while the token is still valid. Whether an attacker can use this for her advantage depends on the ability to trigger errors in the store. This is fixed in version 0.34.0","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N","score":8.0},"cwes":["CWE-754","CWE-755"],"references":["https://github.com/ory/fosite/commit/03dd55813f5521985f7dd64277b7ba0cf1441319","https://github.com/ory/fosite/security/advisories/GHSA-7mqr-2v3q-v2wm","https://tools.ietf.org/html/rfc7009#section-2.2.1","https://github.com/ory/fosite/commit/03dd55813f5521985f7dd64277b7ba0cf1441319","https://github.com/ory/fosite/security/advisories/GHSA-7mqr-2v3q-v2wm"],"products":["ory:fosite"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-15223","score":0.01588,"percentile":0.75628,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-7mqr-2v3q-v2wm","url":"https://osv.dev/vulnerability/GHSA-7mqr-2v3q-v2wm","summary":"Ory fosite contains Improper Handling of Exceptional Conditions ","modified":"2026-09-10T03:49:04.760073152Z","packages":[{"ecosystem":"Go","name":"github.com/ory/fosite","purl":"pkg:golang/github.com/ory/fosite","ranges":["<0.34.0"],"fixed":["0.34.0"]}]},{"id":"GO-2021-0109","url":"https://osv.dev/vulnerability/GO-2021-0109","summary":"Improper handling of token revocation in github.com/ory/fosite","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"github.com/ory/fosite","purl":"pkg:golang/github.com/ory/fosite","ranges":["<0.34.0"],"fixed":["0.34.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}