CVE-2020-21124

Name: CVE-2020-21124
Creator: NVD / NIST
Published: 2021-09-15T17:15:08.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.11%

Last modified Jun 17, 2026

CVE-2020-21124 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. UReport 2.2.9 allows attackers to execute arbitrary code due to a lack of access control to the designer page.. EPSS estimates a 2.11% chance of exploitation in the next 30 days.

Description

UReport 2.2.9 allows attackers to execute arbitrary code due to a lack of access control to the designer page.

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

2.11%

79.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Ureport Project	Ureport	2.2.9

References

https://github.com/youseries/ureport/issues/484Exploit, Issue Tracking, Third Party Advisory
https://github.com/youseries/ureport/issues/484Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Sep 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21124?

UReport 2.2.9 allows attackers to execute arbitrary code due to a lack of access control to the designer page.

How severe is CVE-2020-21124?

CVE-2020-21124 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.11% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21124?

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-2020-21124?

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

Scan your code now

Source: NVD / NIST