AUGUST 4, 2026
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Case File

CVE-2021-23835

MEDIUM · CVSS 4.9 EPSS 1.68% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-01-15 · 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
GitHub PoC Links
External Security References

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

CVE
CVE-2021-23835
Severity
MEDIUM
CVSS
4.9
EPSS
1.68%

Original NVD Description

An issue was discovered in flatCore before 2.0.0 build 139. A local file disclosure vulnerability was identified in the docs_file HTTP request body parameter for the acp interface. This can be exploited with admin access rights. The affected parameter (which retrieves the contents of the specified file) was found to be accepting malicious user input without proper sanitization, thus leading to retrieval of backend server sensitive files, e.g., /etc/passwd, SQLite database files, PHP source code, etc.