VULNERABILITY INTELLIGENCE

CVE-2021-33256

CVSS score8.8 HIGH
EPSS probability79.00%
CISA KEVNot currently listed
Published2021-08-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-1236

Primary references