How severe is CVE-2020-24036?

CVE-2020-24036 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24036 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24036?

CVE-2020-24036 affects Fork-cms Fork Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24036?

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

When was CVE-2020-24036 published?

CVE-2020-24036 was published on 2021-03-04 and last updated on 2026-07-09.

CVE-2020-24036

CVE-2020-24036 is a high-severity vulnerability in Fork-cms Fork Cms with a CVSS 3.x base score of 8.8. 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-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Fork-cms Fork Cms
Published: 2021-03-04
Last modified: 2026-07-09

Description

PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.

Frequently asked questions

What is CVE-2020-24036?: PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.
How severe is CVE-2020-24036?: CVE-2020-24036 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24036 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24036?: CVE-2020-24036 affects Fork-cms Fork Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24036?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-24036 published?: CVE-2020-24036 was published on 2021-03-04 and last updated on 2026-07-09.

References

Affected products (1)

cpe:2.3:a:fork-cms:fork_cms:*:*:*:*:*:*:*:*

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