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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