{"id":"CVE-2021-22962","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22962","generatedAt":"2026-11-04T22:34:30.181Z","title":"An attacker can send a specially crafted request which could lead to leakage of sensitive data or potentially a resource-based DoS attack.","description":"An attacker can send a specially crafted request which could lead to leakage of sensitive data or potentially a resource-based DoS attack.","published":"2023-12-19T16:15:08.000Z","lastModified":"2026-06-17T03:38:07.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},"cwe":[],"affected":["ivanti/avalanche"],"epss":{"score":0.91,"percentile":0.99808,"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 91.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://download.wavelink.com/Files/avalanche_v6.4.2_release_notes.txt","tags":["Release Notes"],"source":"support@hackerone.com"},{"url":"https://download.wavelink.com/Files/avalanche_v6.4.2_release_notes.txt","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22962","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."}