CVE-2021-27561

Published Oct 15, 2021 CVSS 3.1 · 9.8 Critical EPSS 83.6% KEV · Listed
Description
Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics kev

{'dateAdded': '2021-11-03'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 21, 2025, 11:25 PM
Reserved
Feb 22, 2021, 12:00 AM
Status
Analyzed
Published
Oct 15, 2021, 6:15 PM
Modified
Jun 17, 2026, 3:45 AM