CVE-2021-31159

Name: CVE-2021-31159
Creator: NVD / NIST
Published: 2021-06-16T13:15:11.89+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 17.77%

Last modified Jun 17, 2026

CVE-2021-31159 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Zoho ManageEngine ServiceDesk Plus MSP before 10519 is vulnerable to a User Enumeration bug due to improper error-message generation in the Forgot Password functionality, aka SDPMSP-15732.. EPSS estimates a 17.77% chance of exploitation in the next 30 days.

Description

Zoho ManageEngine ServiceDesk Plus MSP before 10519 is vulnerable to a User Enumeration bug due to improper error-message generation in the Forgot Password functionality, aka SDPMSP-15732.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

17.77%

96.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-209

Affected Software

Vendor	Product	Versions	Update
Zohocorp	Manageengine Servicedesk Plus Msp	>= 8.0, <= 9.4	—
Zohocorp	Manageengine Servicedesk Plus Msp	10.5	10500

References

http://packetstormsecurity.com/files/163192/Zoho-ManageEngine-ServiceDesk-Plus-9.4-User-Enumeration.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/ricardojoserf/CVE-2021-31159Exploit, Third Party Advisory
https://www.manageengine.comProduct
https://www.manageengine.com/products/service-desk-msp/readme.html#10519Release Notes, Vendor Advisory
http://packetstormsecurity.com/files/163192/Zoho-ManageEngine-ServiceDesk-Plus-9.4-User-Enumeration.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/ricardojoserf/CVE-2021-31159Exploit, Third Party Advisory
https://www.manageengine.comProduct
https://www.manageengine.com/products/service-desk-msp/readme.html#10519Release Notes, Vendor Advisory

Timeline

Published: Jun 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31159?

Zoho ManageEngine ServiceDesk Plus MSP before 10519 is vulnerable to a User Enumeration bug due to improper error-message generation in the Forgot Password functionality, aka SDPMSP-15732.

How severe is CVE-2021-31159?

CVE-2021-31159 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 17.77% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31159?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31159?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST