How severe is CVE-2020-35442?

CVE-2020-35442 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-35442 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35442?

CVE-2020-35442 affects Fangfa Fdcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35442?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-35442 published?

CVE-2020-35442 was published on 2021-06-02 and last updated on 2026-06-17.

CVE-2020-35442

CVE-2020-35442 is a critical-severity vulnerability in Fangfa Fdcms with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Fangfa Fdcms
Published: 2021-06-02
Last modified: 2026-06-17

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.

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 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-35442 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35442?: CVE-2020-35442 affects Fangfa Fdcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35442?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-35442 published?: CVE-2020-35442 was published on 2021-06-02 and last updated on 2026-06-17.

References

http://www.ttk7.cn/post-142.html

Affected products (1)

cpe:2.3:a:fangfa:fdcms:4.0:*:*:*:*:*:*:*

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CVE-2020-35441 — Critical (CVSS 9.8): FDCMS (aka Fangfa Content Management System) 4.0 contains a front-end SQL injection via…
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