{"id":"CVE-2021-43116","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":["GHSA-2g86-r6w2-wqqr"],"modified":"2026-07-09T00:37:38.286077Z","published":"2022-07-05T14:15:08.767Z","references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html"},{"type":"REPORT","url":"https://github.com/alibaba/nacos/issues/7127"},{"type":"REPORT","url":"https://github.com/alibaba/nacos/issues/7182"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/alibaba/nacos","events":[{"introduced":"0"},{"last_affected":"5a4d433970be9b8402f57e65bffa497027f21e30"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:alibaba:nacos:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.0.3"}]}}],"versions":["2.0.3","2.0.2","1.4.1","1.3.2","1.3.1","1.3.0-beta","1.0.1","1.0.0","1.0.0-RC3","1.0.0-RC2","1.0.0-RC1","0.7.0","0.3.0","0.3.0-RC1","0.2.1","0.2.1-RC1","v0.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43116.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}