CVE-2021-33256 — HIGH (8.8)

Vulnerability 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 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zohocorp	Manageengine Adselfservice Plus	6.1

Related Weaknesses (CWE)

CWE-1236

References

https://docs.unsafe-inline.com/0day/manageengine-adselfservice-plus-6.1-csv-injeExploitThird Party Advisory
https://docs.unsafe-inline.com/0day/manageengine-adselfservice-plus-6.1-csv-injeExploitThird Party Advisory

FAQ

What is CVE-2021-33256?

CVE-2021-33256 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 vulner...

How severe is CVE-2021-33256?

CVE-2021-33256 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33256?

Check the references section above for vendor advisories and patch information. Affected products include: Zohocorp Manageengine Adselfservice Plus.