Vulnerability Details : CVE-2020-5722

Public exploit exists!
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.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2020-5722
Added on 2022-01-28 Action due date 2022-07-28

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

EPSS FAQ
97.52%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

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

CVSS scores for CVE-2020-5722

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
10.0
 HIGH AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
 NIST
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

CWE ids for CVE-2020-5722

  • 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. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-5722

Products affected by CVE-2020-5722

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