CVE-2020-35442

Name: CVE-2020-35442
Creator: NVD / NIST
Published: 2021-06-02T22:15:07.567+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2020-35442 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. FDCMS (also known as Fangfa Content Management System) 4.0 allows remote attackers to get a webshell in the background via Front/lib/Action/FindexAction.class.php.. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

FDCMS (also known as Fangfa Content Management System) 4.0 allows remote attackers to get a webshell in the background via Front/lib/Action/FindexAction.class.php.

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

1.68%

74.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Fangfa	Fdcms	4.0

References

http://www.ttk7.cn/post-142.htmlExploit, Third Party Advisory
http://www.ttk7.cn/post-142.htmlExploit, Third Party Advisory

Timeline

Published: Jun 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35442?

FDCMS (also known as Fangfa Content Management System) 4.0 allows remote attackers to get a webshell in the background via Front/lib/Action/FindexAction.class.php.

How severe is CVE-2020-35442?

CVE-2020-35442 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35442?

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-2020-35442?

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

Scan your code now

Source: NVD / NIST