CVE-2021-27561 · netVigilance record NV21-0228

Yealink Device Management Server-Side Request Forgery (SSRF)

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2021-11-17 · passed 4 years 9 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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

Who is affected

Yealink Device Management. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-78.

Timeline

2021-11-03
Added to CISA KEVExploitation in the wild confirmed by CISA
2021-11-17
CISA remediation deadlinepassed 4 years 9 months ago

Sources

NVD entry for CVE-2021-27561 nvd.nist.gov/vuln/detail/CVE-2021-27561
CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-27561