CVE-2020-5722 Grandstream UCM6200: database injection
In plain words: Text typed into the app ends up changing the database query behind it. Reading, changing or stealing data from the database.
Confirmed exploited by CISA on · US federal patch deadline Jul 28, 2022
What to do
- Install Grandstream's security update for UCM6200. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Grandstream Networks UCM6200 Series SQL Injection Vulnerability
- Product
- Grandstream UCM6200
- 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.
- Type of flaw
- Database injection (CWE-89)
- Confirmed exploited
- Jan 28, 2022
- US federal patch deadline
- Jul 28, 2022
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Answering about CVE-2020-5722 ·
Questions about CVE-2020-5722
Is CVE-2020-5722 being exploited?
Yes. CISA added CVE-2020-5722 to its Known Exploited Vulnerabilities catalog on Jan 28, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2020-5722?
Install Grandstream's security update for UCM6200. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2020-5722?
Only if you use Grandstream UCM6200. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.