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CRITICAL

CVE-2021-43117

CVSS v3

9.8

CRITICAL

EPSS Score

2.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

fastadmin v1.2.1 is affected by a file upload vulnerability which allows arbitrary code execution through shell access.

Technical details

Published
2021-12-13

Frequently asked questions

What is CVE-2021-43117?

fastadmin v1.2.1 is affected by a file upload vulnerability which allows arbitrary code execution through shell access.

Is CVE-2021-43117 actively exploited?

Active exploitation of CVE-2021-43117 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43117?

CVE-2021-43117 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-43117 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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