CVE-2020-5722

Name: CVE-2020-5722
Creator: NVD / NIST
Published: 2020-03-23T20:15:12.043+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 83.93%

Last modified Jun 17, 2026

CVE-2020-5722 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. An attacker can use this vulnerability to execute shell commands as root on versions before 1.0.19.20 or inject HTML in password recovery emails in versions before 1.0.20.17.. CISA has confirmed active exploitation in the wild. EPSS estimates a 83.93% chance of exploitation in the next 30 days.

Description

The HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. An attacker can use this vulnerability to execute shell commands as root on versions before 1.0.19.20 or inject HTML in password recovery emails in versions before 1.0.20.17.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

83.93%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jul 28, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Grandstream	Ucm6200 Firmware	< 1.0.19.20

References

http://packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX-sendPasswordEmail-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.tenable.com/security/research/tra-2020-15Exploit, Third Party Advisory
http://packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX-sendPasswordEmail-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.tenable.com/security/research/tra-2020-15Exploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5722US Government Resource

Timeline

Published: Mar 23, 2020
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-5722?

How severe is CVE-2020-5722?

CVE-2020-5722 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 83.93% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2020-5722?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5722?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST