PT-2020-18647 · Grandstream · Grandstream Ucm6200

Published 2020-03-30 · Updated 2024-08-31 · CVE-2020-5724

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Grandstream UCM6200 series versions prior to 1.0.20.22

Description The issue allows a remote unauthenticated attacker to perform an SQL injection via the HTTP server's websockify endpoint. By invoking the challenge action with a crafted username, an attacker can discover user passwords.

Recommendations For Grandstream UCM6200 series versions prior to 1.0.20.22, update to version 1.0.20.22 or later to resolve the issue. As a temporary workaround, consider restricting access to the websockify endpoint until a patch is applied. Avoid using crafted usernames in the challenge action to minimize the risk of exploitation.

Exploit

Fix

SQL injection

Weakness Enumeration

CWE-89

Related Identifiers

CVE-2020-5724

Affected Products

Grandstream Ucm6200

References · 6

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/grandstream_ucm62xx_sql_account_guess.rb · Exploit
• 🔥 https://tenable.com/security/research/tra-2020-17 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-5724 · Security Note
• https://osv.dev/vulnerability/CVE-2020-5724 · Vendor Advisory
• https://twitter.com/shah_sheikh/status/1829970814315479182 · Twitter Post
• https://t.me/cvenotify/2269 · Telegram Post