{"id":"CVE-2021-33190","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33190","generatedAt":"2026-10-28T02:58:49.614Z","title":"In the IP allowed list restriction, a risky function was used for the IP acquisition, which made it possible to bypass the network limit.","description":"In Apache APISIX Dashboard version 2.6, we changed the default value of listen host to 0.0.0.0 in order to facilitate users to configure external network access. In the IP allowed list restriction, a risky function was used for the IP acquisition, which made it possible to bypass the network limit. At the same time, the default account and password are fixed.Ultimately these factors lead to the issue of security risks. This issue is fixed in APISIX Dashboard 2.6.1","published":"2021-06-08T15:15:08.000Z","lastModified":"2026-06-17T03:54:20.000Z","status":"Modified","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-307"],"affected":["apache/apisix dashboard"],"epss":{"score":0.02694,"percentile":0.85795,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.69%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2021/06/08/4","tags":["Mailing List","Third Party Advisory"],"source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/re736aea55e8fd2478f0739c0c38a9375c4204fc1f0bd1ea687f57049%40%3Cdev.apisix.apache.org%3E","tags":["Mailing List","Vendor Advisory"],"source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/re736aea55e8fd2478f0739c0c38a9375c4204fc1f0bd1ea687f57049%40%3Cdev.apisix.apache.org%3E","tags":["Mailing List","Vendor Advisory"],"source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/re736aea55e8fd2478f0739c0c38a9375c4204fc1f0bd1ea687f57049%40%3Cdev.apisix.apache.org%3E","tags":["Mailing List","Vendor Advisory"],"source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/re736aea55e8fd2478f0739c0c38a9375c4204fc1f0bd1ea687f57049%40%3Cdev.apisix.apache.org%3E","tags":["Mailing List","Vendor Advisory"],"source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2021/06/08/4","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/re736aea55e8fd2478f0739c0c38a9375c4204fc1f0bd1ea687f57049%40%3Cdev.apisix.apache.org%3E","tags":["Mailing List","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/re736aea55e8fd2478f0739c0c38a9375c4204fc1f0bd1ea687f57049%40%3Cdev.apisix.apache.org%3E","tags":["Mailing List","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/re736aea55e8fd2478f0739c0c38a9375c4204fc1f0bd1ea687f57049%40%3Cdev.apisix.apache.org%3E","tags":["Mailing List","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/re736aea55e8fd2478f0739c0c38a9375c4204fc1f0bd1ea687f57049%40%3Cdev.apisix.apache.org%3E","tags":["Mailing List","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33190","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}