{"cve":"CVE-2020-7692","nvd":{"published":"2020-07-09T14:15:11.107","modified":"2026-06-17T03:25:16.490","status":"Modified","description":"PKCE support is not implemented in accordance with the RFC for OAuth 2.0 for Native Apps. Without the use of PKCE, the authorization code returned by an authorization server is not enough to guarantee that the client that issued the initial authorization request is the one that will be authorized. An attacker is able to obtain the authorization code using a malicious app on the client-side and use it to gain authorization to the protected resource. This affects the package com.google.oauth-client:google-oauth-client before 1.31.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-863"],"references":["https://github.com/googleapis/google-oauth-java-client/commit/13433cd7dd06267fc261f0b1d4764f8e3432c824","https://github.com/googleapis/google-oauth-java-client/issues/469","https://lists.apache.org/thread.html/r3db6ac73e0558d64f0b664f2fa4ef0a865e57c5de20f8321d3b48678%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/reae8909b264d1103f321b9ce1623c10c1ddc77dba9790247f2c0c90f%40%3Ccommits.druid.apache.org%3E","https://snyk.io/vuln/SNYK-JAVA-COMGOOGLEOAUTHCLIENT-575276"],"products":["google:oauth_client_library_for_java"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-7692","score":0.01522,"percentile":0.74628,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-f263-c949-w85g","url":"https://osv.dev/vulnerability/GHSA-f263-c949-w85g","summary":"Improper Authorization in Google OAuth Client","modified":"2026-07-08T06:49:30.215904081Z","packages":[{"ecosystem":"Maven","name":"com.google.oauth-client:google-oauth-client","purl":"pkg:maven/com.google.oauth-client/google-oauth-client","ranges":["<1.31.0"],"fixed":["1.31.0"]}]}],"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."]}