CVE-2020-21990

Name: CVE-2020-21990
Creator: NVD / NIST
Published: 2021-04-29T14:15:09.39+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.33%

Last modified Jun 17, 2026

CVE-2020-21990 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Emmanuel MyDomoAtHome (MDAH) REST API REST API Domoticz ISS Gateway 0.2.40 is affected by an information disclosure vulnerability due to improper access control enforcement. An unauthenticated remote attacker can exploit this, via a specially crafted request to gain access to sensitive information.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

Emmanuel MyDomoAtHome (MDAH) REST API REST API Domoticz ISS Gateway 0.2.40 is affected by an information disclosure vulnerability due to improper access control enforcement. An unauthenticated remote attacker can exploit this, via a specially crafted request to gain access to sensitive information.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.33%

81.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Domoticz	Mydomoathome	0.240

References

https://www.exploit-db.com/exploits/47824Exploit, Third Party Advisory, VDB Entry
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5555.phpExploit, Third Party Advisory
https://www.exploit-db.com/exploits/47824Exploit, Third Party Advisory, VDB Entry
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5555.phpExploit, Third Party Advisory

Timeline

Published: Apr 29, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21990?

How severe is CVE-2020-21990?

CVE-2020-21990 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21990?

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-2020-21990?

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

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Source: NVD / NIST