CVE-2020-20502

Name: CVE-2020-20502
Creator: NVD / NIST
Published: 2023-06-20T15:15:10.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2020-20502 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Cross Site Request Forgery found in yzCMS v.2.0 allows a remote attacker to execute arbitrary code via the token check function.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

Cross Site Request Forgery found in yzCMS v.2.0 allows a remote attacker to execute arbitrary code via the token check function.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.46%

36.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Yzmcms	Yzmcms	2.0

References

http://www.yzmcms.com/Product
https://github.com/yzmcms/yzmcms/issues/27Exploit, Issue Tracking
http://www.yzmcms.com/Product
https://github.com/yzmcms/yzmcms/issues/27Exploit, Issue Tracking

Timeline

Published: Jun 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-20502?

Cross Site Request Forgery found in yzCMS v.2.0 allows a remote attacker to execute arbitrary code via the token check function.

How severe is CVE-2020-20502?

CVE-2020-20502 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2020-20502?

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-2020-20502?

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

Scan your code now

Source: NVD / NIST