CVE-2020-5722 : The HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafte

The HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. An attacker can use this vulnerability to execute shell commands as root on versions before 1.0.19.20 or inject HTML in password recovery emails in versions before 1.0.20.17.

Published 2020-03-23 20:15:12

Updated 2022-02-10 07:31:16

Source Tenable Network Security, Inc.

View at NVD, CVE.org

Vulnerability category: Sql Injection

CVE-2020-5722 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

Grandstream Networks UCM6200 Series SQL Injection Vulnerability

CISA required action:

Apply updates per vendor instructions.

CISA description:

Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. Exploitation can allow for code execution as root.

Added on 2022-01-28 Action due date 2022-07-28

Exploit prediction scoring system (EPSS) score for CVE-2020-5722

Probability of exploitation activity in the next 30 days: 97.47%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2020-5722

Grandstream UCM62xx IP PBX sendPasswordEmail RCE

Disclosure Date: 2020-03-23

First seen: 2022-12-23

exploit/linux/http/grandstream_ucm62xx_sendemail_rce

This module exploits an unauthenticated SQL injection vulnerability (CVE-2020-5722) and a command injection vulnerability (technically, no assigned CVE but was inadvertently patched at the same time as CVE-2019-10662) affecting the Grandstream UCM62xx IP PBX

More information

CVSS scores for CVE-2020-5722

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	10.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-5722

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-5722

https://www.tenable.com/security/research/tra-2020-15

Grandstream UCM62xx SQL Injection - Research Advisory | Tenable®
Exploit;Third Party Advisory
http://packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-Command-Injection.html

UCM6202 1.0.18.13 Remote Command Injection ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry
http://packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX-sendPasswordEmail-Remote-Code-Execution.html

Grandstream UCM62xx IP PBX sendPasswordEmail Remote Code Execution ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry

Products affected by CVE-2020-5722

Grandstream » Ucm6200 Firmware
Versions before (<) 1.0.19.20
cpe:2.3:o:grandstream:ucm6200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Grandstream » Ucm6200 » Version: N/A

Vulnerability Details : CVE-2020-5722