High severity · published Mar 30, 2020
CVE-2020-5726
The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888
7.5
CVSS
4.3%
EPSS
No
On KEV
Description
The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888. A remote unauthenticated attacker can invoke the challenge action with a crafted username and discover user passwords.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.3% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UF
Ucm6202 Firmware · Grandstream
before 1.0.20.22 · source: NVD
UF
Ucm6204 Firmware · Grandstream
before 1.0.20.22 · source: NVD
UF
Ucm6208 Firmware · Grandstream
before 1.0.20.22 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5726
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5726
packetstormsecurity.com
http://packetstormsecurity.com/files/156977/Grandstream-UCM6200-Series-CTI-Interface-SQL-Injection.html
Exploit
https://www.tenable.com/security/research/tra-2020-17
More from Ucm6202 Firmware
9.8
CVE-2020-5759
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH
9.8
CVE-2020-5757
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP
9.8
CVE-2020-5723
The UCM6200 series 1.0.20.22 and below stores unencrypted user passwords in an SQLite database
8.8
CVE-2020-5758
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP
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CVE-2020-5724
The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint