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TI-2021-12772 Aliases CVE-2021-33256GHSA-x963-3p8c-j4m6

A CSV injection vulnerability on the login panel of ManageEngine ADSelfService Plus…

Priority HIGH 78CWE-1236Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.79003 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6101:*:*:*:*:*:*6.1 6101VulnerableZohocorp
  • cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6101:*:*:*:*:*:* Versions 6.1 6101 Vulnerable ·Zohocorp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33256
  2. 2026-10-03 Alias added: GHSA-x963-3p8c-j4m6

References

Exploit 1

  • TI-2022-23765 Multiple Zoho ManageEngine on-premise products, such as ServiceDesk Plus through 14003… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-17574 Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API… KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-11432 Zoho ManageEngine ADSelfService Plus before build 6122 allows a remote authenticated… KEVCVSS 3.1MEDIUM 6.8
  • TI-2021-09883 Zoho ManageEngine ADSelfService Plus through 6101 is vulnerable to unauthenticated Remote… CVSS 3.1CRITICAL 9.8
  • TI-2023-12890 Zoho ManageEngine ADSelfService Plus before 6218 allows anyone to conduct a… CVSS 3.1HIGH 7.5
  • TI-2025-03383 SQL injection in ManageEngine ADSelfService Plus CVSS 3.1HIGH 8.1
See all 50 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences