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Known exploited vulnerability

CVE-2020-5722

criticalCVSS 3.1 9.8In CISA KEVEPSS 84%Published · n/a

The short answer

CVE-2020-5722 affects n/a Grandstream UCM6200 Series and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-01-28: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-89.

Severity

9.8 critical

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

Exploited (CISA KEV)

Yes, since Jan 28, 2022

Federal due date Jul 28, 2022

EPSS, next 30 days

84%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

Grandstream UCM6200 Series. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2020-5722 being exploited?

Yes. CISA added CVE-2020-5722 to its Known Exploited Vulnerabilities catalog on 2022-01-28, with a federal remediation due date of 2022-07-28.

How do I fix CVE-2020-5722?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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