PULSE
LIVE44signals / 24h
ES
FEED
ransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomkrybit reclama a eitzchaim.com · IL · Not Foundransomkrybit reclama a formasuniversales.com · MX · Business Servicesransomkrybit reclama a rehabmalaysia.com · MY · Healthcareransomkrybit reclama a www.lagus.cz · CZ · Business Servicesransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomkrybit reclama a eitzchaim.com · IL · Not Foundransomkrybit reclama a formasuniversales.com · MX · Business Servicesransomkrybit reclama a rehabmalaysia.com · MY · Healthcareransomkrybit reclama a www.lagus.cz · CZ · Business Servicesransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcare
← All CVEs
CVE Watch—

CVE-2021-27561

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

CVSS

—

No CVSS

EPSS

82.5%

p100

KEV

YES

Nov 3, 2021

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
82.5%EPSS · 30 days82.5%
2026-06-302026-07-16
KEV catalog record

Product

Yealink / Device Management

Vulnerability

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

Added to KEV

Nov 3, 2021

Remediate by

Nov 17, 2021

Known ransomware use

No

Summary description

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

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-27561

Related CVEs

No related CVEs by CWE or product.