CVE-2021-27561

Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://ssd-disclosure.com/?p=4688	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:yealink:device_management:*:*:*:*:*:*:*:*

History

08 Aug 2023, 14:21

Type	Values Removed	Values Added
CWE	~~CWE-77~~	CWE-78

21 Oct 2021, 12:40

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 10.0 v3 : 9.8
CWE		CWE-77
CPE		cpe:2.3:a:yealink:device_management::::::::
References	~~(MISC) https://ssd-disclosure.com/?p=4688 -~~	(MISC) https://ssd-disclosure.com/?p=4688 - Third Party Advisory

15 Oct 2021, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-15 18:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-27561

Mitre link : CVE-2021-27561

CVE.ORG link : CVE-2021-27561

JSON object : View

Products Affected

yealink

device_management

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2021-27561", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-10-15T18:15:07.490", "references": [{"url": "https://ssd-disclosure.com/?p=4688", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication."}, {"lang": "es", "value": "Yealink Device Management (DM) 3.6.0.20 permite la inyecci\u00f3n de comandos como root por medio del URI /sm/api/v1/firewall/zone/services, sin autenticaci\u00f3n.\n"}], "lastModified": "2023-08-08T14:21:49.707", "cisaActionDue": "2021-11-17", "cisaExploitAdd": "2021-11-03", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:yealink:device_management:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "27DB6F5E-CDDB-41D1-8F9C-3C58138C143C", "versionEndIncluding": "3.6.0.20"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Yealink Device Management Server-Side Request Forgery (SSRF) Vulnerability"}