CVSS v3
7.5
HIGH
EPSS Score
84.8%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this as described in https://github.com/mkdocs/mkdocs/issues/2601.] and https://github.com/nisdn/CVE-2021-40978/issues/1
The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this as described in https://github.com/mkdocs/mkdocs/issues/2601.] and https://github.com/nisdn/CVE-2021-40978/issues/1
Active exploitation of CVE-2021-40978 has not been confirmed. The EPSS score is 84.8%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-40978 has a CVSS v3 base score of 7.5 (HIGH severity).
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Ranked by exploit probability (EPSS).