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CVE-2021-40978PYSEC-2021-878GHSA-QH9Q-34H6-HCV9

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.2.3
1 proof of concept on GitHub, 1 Nuclei template
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a n/a

    Version range not reported

  • mkdocsPyPI

    From 1.2.2 · fixed in 1.2.3

References 5

GitHub · mkdocs/mkdocs

GitHub · nisdn/CVE-2021-40978

GitHub · projectdiscovery/nuclei-templates