{"id":"CVE-2021-33256","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33256","generatedAt":"2026-11-05T01:11:08.892Z","title":"A CSV injection vulnerability on the login panel of ManageEngine ADSelfService Plus Version: 6.1 Build No: 6101 can be exploited by an unauthenticated user.","description":"A CSV injection vulnerability on the login panel of ManageEngine ADSelfService Plus Version: 6.1 Build No: 6101 can be exploited by an unauthenticated user. The j_username parameter seems to be vulnerable and a reverse shell could be obtained if a privileged user exports \"User Attempts Audit Report\" as CSV file. Note: The vendor disputes this vulnerability, claiming \"This is not a valid vulnerability in our ADSSP product. We don't see this as a security issue at our side.","published":"2021-08-09T14:15:31.000Z","lastModified":"2026-06-17T03:54:24.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-1236"],"affected":["zohocorp/manageengine adselfservice plus"],"epss":{"score":0.79003,"percentile":0.99596,"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 79.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://docs.unsafe-inline.com/0day/manageengine-adselfservice-plus-6.1-csv-injection","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://docs.unsafe-inline.com/0day/manageengine-adselfservice-plus-6.1-csv-injection","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33256","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."}