What is CVE-2023-22964?

CVE-2023-22964 is a critical-severity vulnerability in Zohocorp Manageengine Servicedesk Plus Msp, classified under Improper Authentication. CVSS score: 9.1/10. Published 2023-01-20.

How severe is CVE-2023-22964?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Zohocorp Manageengine Servicedesk Plus Msp

CVE-2023-22964

Zoho ManageEngine ServiceDesk Plus MSP before 10611, and 13x before 13004, is vulnerable to authentication bypass when LDAP authentication is enabled.

Vulnerability class: Broken Authentication

Published 2023-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.024 (83.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Zohocorp Manageengine Servicedesk Plus Msp — versions 10.6, 13.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

manageengine.com (Product)
www.manageengine.com/products/service-desk-msp/cve-2023-22964.html (Vendor Advisory)

Frequently asked questions

What is CVE-2023-22964?: CVE-2023-22964 is a critical-severity vulnerability in Zohocorp Manageengine Servicedesk Plus Msp, classified under Improper Authentication. CVSS score: 9.1/10. Published 2023-01-20.
How severe is CVE-2023-22964?: Critical severity. CVSS v3 base score is 9.1 out of 10.