{"id":"CVE-2022-36021","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-36021","generatedAt":"2026-11-04T23:41:04.607Z","title":"Authenticated users can use string matching commands (like `SCAN` or `KEYS`) with a specially crafted pattern to trigger a denial-of-service attack on Redis, causing it to hang and consume 100% CPU time.","description":"Redis is an in-memory database that persists on disk. Authenticated users can use string matching commands (like `SCAN` or `KEYS`) with a specially crafted pattern to trigger a denial-of-service attack on Redis, causing it to hang and consume 100% CPU time. The problem is fixed in Redis versions 6.0.18, 6.2.11, 7.0.9.\n","published":"2023-03-01T16:15:09.000Z","lastModified":"2026-06-17T04:52:45.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-407"],"affected":["redis/redis"],"epss":{"score":0.59769,"percentile":0.9913,"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 59.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqv","tags":["Vendor Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqv","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-36021","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."}