by Kastro
Paper/Archive/CVE-2021-27561

CVE-2021-27561

Yealink Device Management — Yealink Device Management Server-Side Request Forgery (SSRF) Vulnerability

KEV · due 17 NovEPSS 83%public exploitSSVC actCVSS 9.8
critical.is priorityof 100
99
CVSS 9.8 (ADP)9.8 / 10 × 3029.4In CISA KEV+3030.0EPSS percentile 99.7.997 × 2019.9Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

refssd-disclosure.com/?p=4688refcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27561kevcisa.gov/known-exploited-vulnerabilities-catalog