CVE-2020-5725

5.9 MEDIUM 2% exploit odds No fix listed

What it is

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. A remote unauthenticated attacker can invoke the login action with a crafted username and, through the use of timing attacks, can discover user passwords.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure.
Exploit odds: 1.8% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2020-03-30 20:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:22 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.8% in the next 30 days (EPSS).
Severity: 5.9 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2020-03-30 20:15 UTC
Last modified: 2026-06-17 03:22 UTC
Exploit probability: 1.8% · EPSS, next 30 days
Weakness: CWE-89 · SQL injection
Record status: Modified

Affected

Grandstream ucm6202 Firmware < 1.0.20.22
Grandstream ucm6204 Firmware < 1.0.20.22
Grandstream ucm6208 Firmware < 1.0.20.22

Attack profile CVSS 3.1 · 5.9

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Is it in your code?

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References

NVD record · CVE.org record