Is CVE-2020-5722 in the CISA KEV catalog?

Yes. CVE-2020-5722 is on the CISA Known Exploited Vulnerabilities list, added 2022-01-28.

What is the CVSS severity of CVE-2020-5722?

CVE-2020-5722 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-5722?

CVE-2020-5722 has an EPSS score of 83.93% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-5722?

Upgrade ucm6200 firmware to 1.0.19.20 or later.

CVE & CISA-KEV Catalog

CVE-2020-5722

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

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.

CWE-89SQL Injection

How to fix

Remediation Available

ucm6200 firmwareNVD

Affected:< 1.0.19.20Fixed in:1.0.19.20CVE-2020-5722derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

83.93%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Grandstream Networks UCM6200 Series SQL Injection Vulnerability

Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. Exploitation can allow for code execution as root.

Apply updates per vendor instructions.

Remediation due: 2022-07-28

References

Exploit3

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-89 (SQL Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3704	High	7.5	100%	-	Fix
CVE-2015-7297	High	7.5	100%	-	-
CVE-2024-29824	High	8.8	100%	KEV	Fix
CVE-2023-34362	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-7481	High	7.5	100%	KEV + Ransom	Fix
CVE-2024-29826	High	8.8	100%	-	Fix

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-31.