CVE-2020-21784

CVE-2020-21784 is a critical-severity vulnerability in Phpwcms 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-94.

Key facts

Description

phpwcms 1.9.13 is vulnerable to Code Injection via /phpwcms/setup/setup.php.

Frequently asked questions

What is CVE-2020-21784?
phpwcms 1.9.13 is vulnerable to Code Injection via /phpwcms/setup/setup.php.
How severe is CVE-2020-21784?
CVE-2020-21784 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-2020-21784 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21784?
CVE-2020-21784 affects Phpwcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21784?
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-2020-21784 published?
CVE-2020-21784 was published on 2021-06-24 and last updated on 2026-06-17.

References

Affected products (1)

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