CRITICAL

CVE-2021-36440

CVSS v3

9.8

CRITICAL

EPSS Score

36.8%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url' parameter in the component AdminUpdateController.class.php'.

Technical details

Published
9/8/2021

Frequently asked questions

What is CVE-2021-36440?

Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url' parameter in the component AdminUpdateController.class.php'.

Is CVE-2021-36440 actively exploited?

Active exploitation of CVE-2021-36440 has not been confirmed. The EPSS score is 36.8%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-36440?

CVE-2021-36440 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-36440 affecting your environment?

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