CVE-2017-5539

9.1 CRITICAL
Published: January 23, 2017 Modified: May 13, 2026
View on 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://b2evolution.net/downloads/6-8-5
Source: cve@mitre.org
Patch Vendor Advisory
http://www.securityfocus.com/bid/95700
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
https://github.com/b2evolution/b2evolution/issues/36
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
http://b2evolution.net/downloads/6-8-5
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://www.securityfocus.com/bid/95700
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://github.com/b2evolution/b2evolution/issues/36
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
4.1%
90th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

b2evolution