CVE-2020-21649

Name: CVE-2020-21649
Creator: NVD / NIST
Published: 2021-10-06T22:15:07.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2020-21649 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be exploited via the sql() method.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be exploited via the sql() method.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

0.80%

52.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Myucms Project	Myucms	2.2

References

https://github.com/lolipop1234/XXD/issues/4Exploit, Third Party Advisory
https://github.com/lolipop1234/XXD/issues/4Exploit, Third Party Advisory

Timeline

Published: Oct 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21649?

Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be exploited via the sql() method.

How severe is CVE-2020-21649?

CVE-2020-21649 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21649?

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-2020-21649?

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

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Source: NVD / NIST