CVE-2020-21652

CVE-2020-21652 is a critical-severity vulnerability in Myucms Project Myucms 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

Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can be exploited via the addqq() method.

Frequently asked questions

What is CVE-2020-21652?
Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can be exploited via the addqq() method.
How severe is CVE-2020-21652?
CVE-2020-21652 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-2020-21652 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21652?
CVE-2020-21652 affects Myucms Project Myucms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21652?
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-2020-21652 published?
CVE-2020-21652 was published on 2021-10-06 and last updated on 2026-06-17.

References

Affected products (1)

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