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HIGH

CVE-2021-43464

CVSS v3

8.8

HIGH

EPSS Score

1.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A Remiote Code Execution (RCE) vulnerability exiss in Subrion CMS 4.2.1 via modified code in a background field; when the information is modified, the data in it will be executed through eval().

Technical details

Published
2022-04-04

Frequently asked questions

What is CVE-2021-43464?

A Remiote Code Execution (RCE) vulnerability exiss in Subrion CMS 4.2.1 via modified code in a background field; when the information is modified, the data in it will be executed through eval().

Is CVE-2021-43464 actively exploited?

Active exploitation of CVE-2021-43464 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43464?

CVE-2021-43464 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-43464 affecting your environment?

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