⚠ Actively exploited
Added to CISA KEV on 2021-12-01. Federal agencies required to patch by 2021-12-15. Required action: Apply updates per vendor instructions..
Severity
9.8CRITICAL
EPSS
92.0%
top 0.30%
CISA KEV
KEV
Added 2021-12-01
Due 2021-12-15
Exploit
Exploited in wild
Active exploitation observed
Timeline
PublishedSep 1
KEV addedDec 1
KEV dueDec 15
Latest updateDec 9
CISA Required Action: Apply updates per vendor instructions.

Description

Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

🔴Vulnerability Details

3
GHSA
GHSA-wf6j-6x58-69fg: Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication2022-05-24
CVEList
CVE-2021-37415: Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication2021-09-01
VulnCheck
Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability2021

💥Exploits & PoCs

1
Nuclei
Zoho ManageEngine ServiceDesk Plus - Authentication Bypass

🔍Detection Rules

1
Suricata
ET WEB_SPECIFIC_APPS Zoho ManageEngine ServiceDesk Plus Authentication Bypass (CVE-2021-37415)2025-12-09

📋Vendor Advisories

1
CISA
Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability2021-12-01
CVE-2021-37415 (CRITICAL CVSS 9.8) | Zoho ManageEngine ServiceDesk Plus | cvebase.io