9.1
CRITICAL CVSS 3.0
CVE-2017-5539
b2evolution Directory Traversal Bypass Vulnerability
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.

INFO

Published Date :

Jan. 23, 2017, 7:59 a.m.

Last Modified :

April 20, 2025, 1:37 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2017-5539 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 B2evolution b2evolution
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.0 CRITICAL [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-5539.

URL Resource
http://b2evolution.net/downloads/6-8-5 Patch Vendor Advisory
http://www.securityfocus.com/bid/95700 Third Party Advisory VDB Entry
https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a Issue Tracking Patch Third Party Advisory
https://github.com/b2evolution/b2evolution/issues/36 Issue Tracking Patch Third Party Advisory
http://b2evolution.net/downloads/6-8-5 Patch Vendor Advisory
http://www.securityfocus.com/bid/95700 Third Party Advisory VDB Entry
https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a Issue Tracking Patch Third Party Advisory
https://github.com/b2evolution/b2evolution/issues/36 Issue Tracking Patch Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-5539 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-5539 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-5539 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://b2evolution.net/downloads/6-8-5
    Added Reference http://www.securityfocus.com/bid/95700
    Added Reference https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a
    Added Reference https://github.com/b2evolution/b2evolution/issues/36
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-200 CWE-284 CWE-22 CWE-22
  • Modified Analysis by [email protected]

    Jan. 26, 2017

    Action Type Old Value New Value
    Changed Reference Type http://www.securityfocus.com/bid/95700 No Types Assigned http://www.securityfocus.com/bid/95700 Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Jan. 26, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/95700 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 23, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    Changed Reference Type https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a No Types Assigned https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a Third Party Advisory, Issue Tracking, Patch
    Changed Reference Type http://b2evolution.net/downloads/6-8-5 No Types Assigned http://b2evolution.net/downloads/6-8-5 Vendor Advisory, Patch
    Changed Reference Type https://github.com/b2evolution/b2evolution/issues/36 No Types Assigned https://github.com/b2evolution/b2evolution/issues/36 Third Party Advisory, Issue Tracking, Patch
    Added CWE CWE-284
    Added CWE CWE-200
    Added CPE Configuration OR *cpe:2.3:a:b2evolution:b2evolution:6.8.4:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 9
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

7.45 }} -3.59%

score

0.90912

percentile