VIR Vulnerability Intelligence Relay

CVE-2021-27561

unknown KEV
Published 2021-11-03 · Modified 2021-11-03
CVSS v3
—
CVSS v2
—
VIR risk
1.5

Description

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

CISA KEV

Vendor
Yealink
Product
Device Management
Due date
2021-11-17

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2021-27561

Exploits

References

Verify integrity in audit chain (admin only). AS-IS.