{"id":"CVE-2020-5724","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-5724","generatedAt":"2026-11-05T02:12:03.173Z","title":"The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint.","description":"The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. A remote unauthenticated attacker can invoke the challenge action with a crafted username and discover user passwords.","published":"2020-03-30T20:15:20.000Z","lastModified":"2026-06-17T03:22:06.000Z","status":"Modified","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-89"],"affected":["grandstream/ucm6202 firmware","grandstream/ucm6204 firmware","grandstream/ucm6208 firmware"],"epss":{"score":0.12164,"percentile":0.96165,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 12.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-17","tags":["Exploit","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2020-17","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-5724","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."}