CVE-2022-28005

An issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3 FINAL. An unauthenticated attacker could abuse improperly secured access to arbitrary files on the server, leading to cleartext credential disclosure. Afterwards, the authenticated attacker is able to upload a file that overwrites a 3CX service binary, leading to Remote Code Execution as NT AUTHORITY\SYSTEM on Windows installations. Versions prior to version 18, Hotfix 1 Build 18.0.3.461 March 2022, are prone to an additional unauthenticated file system access to C:\Windows\System32.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 5.0 MEDIUM

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

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

5.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.3cx.com/blog/releases/v18-security-hotfix/	Release Notes Vendor Advisory
https://www.3cx.com/blog/change-log/phone-system-change-log/	Release Notes Vendor Advisory
https://www.3cx.com/blog/releases/v18-update-3-final/	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:3cx:3cx:*:*:*:*:*:*:*:*

Information

Published : 2022-05-06 08:15

Updated : 2022-05-18 07:06

NVD link : CVE-2022-28005

Mitre link : CVE-2022-28005

JSON object : View

CWE

CWE-522

Insufficiently Protected Credentials

Products Affected

3cx

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9.8 /10