CVE-2020-21252

Name: CVE-2020-21252
Creator: NVD / NIST
Published: 2023-06-20T15:15:11.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2020-21252 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Cross Site Request Forgery vulnerability in Neeke HongCMS 3.0.0 allows a remote attacker to execute arbitrary code and escalate privileges via the updateusers parameter.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Cross Site Request Forgery vulnerability in Neeke HongCMS 3.0.0 allows a remote attacker to execute arbitrary code and escalate privileges via the updateusers parameter.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.43%

34.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Hongcms Project	Hongcms	3.0.0

References

https://github.com/Neeke/HongCMS/issues/13Exploit, Issue Tracking
https://github.com/Neeke/HongCMS/issues/13Exploit, Issue Tracking

Timeline

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

Frequently Asked Questions

What is CVE-2020-21252?

Cross Site Request Forgery vulnerability in Neeke HongCMS 3.0.0 allows a remote attacker to execute arbitrary code and escalate privileges via the updateusers parameter.

How severe is CVE-2020-21252?

CVE-2020-21252 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21252?

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-2020-21252?

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

Scan your code now

Source: NVD / NIST