CVE-2021-40539

CRITICALImmediate

Published:Sep 7, 2021(4 years ago)

Modified:Nov 5, 2025

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
zohocorp	manageengine_adselfservice_plus	6.1	-
zohocorp	manageengine_adselfservice_plus	-	-
zohocorp	manageengine_adselfservice_plus

Timeline

Published
CVE disclosed publicly
Sep 7, 20214 years ago
Last Modified
Most recent update
Nov 5, 20256 months ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20262 months ago

References

http://packetstormsecurity.com/files/165085/ManageEngine-ADSelfService...Exploit
https://www.manageengine.comProduct
https://www.manageengine.com/products/self-service-password/kb/how-to-...Patch

CVSS Score

v3.1

9.8/ 10.0

CRITICAL

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

At a Glance

Affected Products

References

zohocorp / manageengine_adselfservice_plus

CVE-2021-40539

Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

CVE-2021-40539

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description