CVE-2023-22964

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

Published: 2023-01-20 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-22964 is rated High Risk (66.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.45%). Core evidence: EPSS rose +1.44% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-22964

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.01% 2.45% +1.44%
2 2026-02-01 0.36% 1.01% +0.65%
3 2026-01-26 0.36%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-22964

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 5.2 [email protected]
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 5.2 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-22964

Affected software / configurations for CVE-2023-22964

Vendor Product Version Raw CPE
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10600:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10601:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10602:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10603:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10604:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10605:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10606:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10607:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10608:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10609:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 10.6 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:10.6:10610:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 13.0 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:13.0:13000:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 13.0 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:13.0:13001:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 13.0 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:13.0:13002:*:*:*:*:*:*
zohocorp manageengine_servicedesk_plus_msp 13.0 cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp:13.0:13003:*:*:*:*:*:*

References for CVE-2023-22964

cvelogic Threat Intelligence