7.5
HIGH
CVE-2017-9557
EFS Software Easy Chat Server Password Disclosure
Description

register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to discover passwords by sending the username parameter in conjunction with an empty password parameter, and reading the HTML source code of the response.

INFO

Published Date :

June 12, 2017, 3:29 p.m.

Last Modified :

March 26, 2021, 5:56 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-9557 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 Echatserver easy_chat_server
1 Easy_chat_server_project easy_chat_server
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-2017-9557.

URL Resource
https://www.exploit-db.com/exploits/42153/ Exploit Third Party Advisory VDB Entry

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-2017-9557 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-9557 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Mar. 26, 2021

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Removed CWE NIST CWE-200
    Added CWE NIST CWE-522
    Changed CPE Configuration OR *cpe:2.3:a:efs_software:easy_chat_server:2.0:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:2.1:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:2.2:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:2.5:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:3.0:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:3.1:*:*:*:*:*:*:* OR *cpe:2.3:a:echatserver:easy_chat_server:*:*:*:*:*:*:*:* versions from (including) 2.0 up to (including) 3.1
  • Initial Analysis by [email protected]

    Jun. 22, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://www.exploit-db.com/exploits/42153/ No Types Assigned https://www.exploit-db.com/exploits/42153/ Exploit, Third Party Advisory, VDB Entry
    Added CWE CWE-200
    Added CPE Configuration OR *cpe:2.3:a:efs_software:easy_chat_server:2.0:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:2.1:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:2.2:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:2.5:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:3.0:*:*:*:*:*:*:* *cpe:2.3:a:efs_software:easy_chat_server:3.1:*:*:*:*:*:*:*
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-9557 is associated with the following CWEs:

Exploit Prediction

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

3.46 }} 2.82%

score

0.91657

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability