{"id":"GHSA-2g86-r6w2-wqqr","summary":"Use of Hard-coded Credentials in Nacos","details":"An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.","aliases":["CVE-2021-43116"],"modified":"2026-09-10T03:49:49.551254591Z","published":"2022-07-06T00:00:30Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2022-07-06T20:01:34Z","nvd_published_at":"2022-07-05T14:15:00Z","cwe_ids":["CWE-287","CWE-798"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43116"},{"type":"WEB","url":"https://github.com/alibaba/nacos/issues/7127"},{"type":"WEB","url":"https://github.com/alibaba/nacos/issues/7182"},{"type":"PACKAGE","url":"https://github.com/alibaba/nacos"},{"type":"WEB","url":"http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html"}],"affected":[{"package":{"name":"com.alibaba.nacos:nacos-client","ecosystem":"Maven","purl":"pkg:maven/com.alibaba.nacos/nacos-client"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0.3"}]}],"versions":["0.1.0","0.2.0","0.2.1","0.2.1-RC1","0.3.0","0.3.0-RC1","0.4.0","0.5.0","0.6.0","0.6.1","0.6.2","0.8.0","0.8.1","0.8.2","0.9.0","0.9.1","1.0.0","1.0.0-RC1","1.0.0-RC2","1.0.0-RC3","1.0.0-RC4","1.0.1","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.2.0","1.2.0-beta.0","1.2.0-beta.1","1.2.1","1.3.0","1.3.1","1.3.1-BETA","1.3.1-BETA.1","1.3.2","1.3.3","1.4.0","1.4.0-BETA","1.4.1","1.4.2","1.4.3","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","2.0.0","2.0.0-ALPHA.1","2.0.0-ALPHA.2","2.0.0-BETA","2.0.1","2.0.2","2.0.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/07/GHSA-2g86-r6w2-wqqr/GHSA-2g86-r6w2-wqqr.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}