What is the severity of CVE-2020-5726?

CVE-2020-5726 has a CVSS Base Score of 7.5/10 and is classified as High severity. It is important to assess the risk based on your specific environment.

How do I fix CVE-2020-5726?

Remediation typically involves updating the affected software products to the latest patched version. Refer to the 'Affected Products' and 'Remediation' sections on this page for specific mitigation steps and vendor advisories.

Home→Vulnerabilities→CVE-2020-5726

Disclosed

CVE-2020-5726

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888. A remote unauthenticated attacker can invoke the challenge action with a crafted username and discover user passwords.

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Public Exploit Available

A Proof-of-Concept (PoC) or exploit code for this vulnerability is publicly available. This significantly increases the risk of exploitation.

Exploitation Probability (EPSS)

Low Priority

6.36%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events

Mar 30, 2020

Vulnerability Disclosed

Published to component-level vulnerability database.

Mar 31, 2020

Last Updated

Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL

Associated Groups:Lazarus Group, APT28

Ransomware Campaigns:LockBit 3.0, BlackCat

IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

6 Total

grandstream/ucm6202_firmwareAll Versions

grandstream/ucm6202-

grandstream/ucm6204_firmwareAll Versions

grandstream/ucm6204-

grandstream/ucm6208_firmwareAll Versions

References

PoC Exploit

http://packetstormsecurity.com/files/156977/Grandstream-UCM6200-Series-CTI-Interface-SQL-Injection.htmlPacketstormsecurity

https://www.tenable.com/security/research/tra-2020-17Tenable

ExploitThird Party Advisory

Am I Vulnerable?

Check your domain or package.json for CVE-2020-5726 exposure.

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Vulnerability Details

CVSS Base Score

7.5/ 10

Vector

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

Published Date

Mar 30, 2020

Last Modified

Mar 31, 2020

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