CVE-2020-5723 Information disclosure in Grandstream UCM6200 series

Critical 9.8 Published 30 Mar 2020 Updated 4 Aug 2024

Attackers can retrieve unencrypted user passwords from the SQLite database, potentially gaining elevated privileges on Grandstream UCM6200 devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-5723?

CVE-2020-5723 is a critical vulnerability in Grandstream UCM6200 series, published on 30 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The UCM6200 series 1.0.20.22 and below stores unencrypted user passwords in an SQLite database. This could allow an attacker to retrieve all passwords and possibly gain elevated privileges.

Weakness: CWE-312

Which versions are affected by CVE-2020-5723?

It affects 3 products.

Products include Grandstream Ucm6202 Firmware, Grandstream Ucm6204 Firmware, Grandstream Ucm6208 Firmware.

How do I fix CVE-2020-5723?

No fix has been published for CVE-2020-5723 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-5723 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-5723 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-9fmp-ccqf-cvpg.