All vulnerabilities
CVE-2021-27561

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

Yealink Device Management
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)82.9%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Federal deadline17 Nov 2021Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 15 Oct 2021, 17:11 UTCPublishedCVE List
  2. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateYeaLink DM 3.6.0.20 - Remote Command InjectionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Yealink Device Management contains a server-side request forgery (SSRF) vulnerability that allows for unauthenticated remote code execution.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 3