CISA KEV · Known exploitedCritical

CVE-2021-37415

Zoho ManageEngine ServiceDesk Plus (SDP)

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

CVSS
9.8
EPSS
99.8%
100.0% percentile
CISA KEV
Listed
Published
2021.09.01
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability99.8%
Technical severityCVSS 9.8

Vulnerability overview

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

Affected product and versions

Product
Zoho ManageEngine ServiceDesk Plus (SDP)
Affected versions
11.0, 11.1, 11.2, 11.3
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2021.12.15
  1. 1
    Identify

    Confirm that Zoho ManageEngine ServiceDesk Plus (SDP) and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-306
KEV added
2021.12.01
Ransomware use
미확인
CVE-2021-37415 — Zoho ManageEngine ServiceDesk Plus (SDP) | SECUFOCUS NOW