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Case File

CVE-2021-40978

HIGH · CVSS 7.5 EPSS 14.98% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-07 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-40978
Severity
HIGH
CVSS
7.5
EPSS
14.98%
GitHub

Original NVD 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