PoC Index

CVE-2021-27561

KEVHIGH 10.0EPSS 82.9%

Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.

CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
82.86% chance of exploitation in the next 30 days, 100th percentile
CISA KEV
added 2021-11-03
Nuclei
critical · CWE-78
Published
2021-10-15
Updated
2025-10-21

Nuclei templates (1)

References

Related