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Case File

CVE-2017-5539

CRITICAL · CVSS 9.1 EPSS 4.17% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-01-23 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. Public exploit code or proof-of-concept references have been detected in its references.

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-2017-5539
Severity
CRITICAL
CVSS
9.1
EPSS
4.17%

Original NVD Description

The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has a bypass vulnerability. An attacker can use ..\/ to bypass the filter rule. Then, this attacker can exploit this vulnerability to delete or read any files on the server. It can also be used to determine whether a file exists.