CVE-2021-27561
critical · 9.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
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Added 2021-11-03Remediation due 2021-11-17
A public exploit / detection template exists
Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →
Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.
9.8
CVSS
82.9%
EPSS (exploit prob.)
100th
EPSS percentile
2021-10-15
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-78
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| yealink | device_management | <= 3.6.0.20 |
Check a specific version with /api/v1/cve/match.
References
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2021-27561