CVE-2021-40978

7.5 HIGH

The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive in...

Published: 2021-10-07 · Last updated: 2026-06-17

Severity and scoring

CVSS: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE: CWE-22

Affected products

Vendor	Product
mkdocs	mkdocs

Description

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

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40978
[Other]https://github.com/mkdocs/mkdocs
[Other]https://github.com/mkdocs/mkdocs/issues/2601
[Exploit reference]https://github.com/nisdn/CVE-2021-40978
[Other]https://github.com/nisdn/CVE-2021-40978/issues/1
[Other]https://github.com/mkdocs/mkdocs
[Other]https://github.com/mkdocs/mkdocs/issues/2601
[Exploit reference]https://github.com/nisdn/CVE-2021-40978
[Other]https://github.com/nisdn/CVE-2021-40978/issues/1

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