{"cve":"CVE-2021-33256","nvd":{"published":"2021-08-09T14:15:31.280","modified":"2026-06-17T03:54:23.677","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-1236"],"references":["https://docs.unsafe-inline.com/0day/manageengine-adselfservice-plus-6.1-csv-injection","https://docs.unsafe-inline.com/0day/manageengine-adselfservice-plus-6.1-csv-injection"],"products":["zohocorp:manageengine_adselfservice_plus"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-33256","score":0.79003,"percentile":0.99596,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}