CVE-2021-27561

Published Oct 15, 2021

Last updated a year ago

Overview

Description
Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.
Source
cve@mitre.org
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

CVSS 2.0

Type
Primary
Base score
10
Impact score
10
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:C/I:C/A:C

Known exploits

Data from CISA

Vulnerability name
Yealink Device Management Server-Side Request Forgery (SSRF) Vulnerability
Exploit added on
Nov 3, 2021
Exploit action due
Nov 17, 2021
Required action
Apply updates per vendor instructions.

Weaknesses

nvd@nist.gov
CWE-78

Social media

Hype score
Not currently trending

Configurations