5.9
MEDIUM
CVE-2023-33621
GL.iNET GL-AR750S-Ext OpenVPN Server Authentication Bypass
Description

GL.iNET GL-AR750S-Ext firmware v3.215 inserts the admin authentication token into a GET request when the OpenVPN Server config file is downloaded. The token is then left in the browser history or access logs, potentially allowing attackers to bypass authentication via session replay.

INFO

Published Date :

June 13, 2023, 4:15 p.m.

Last Modified :

June 23, 2023, 7:18 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2023-33621 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 Gl-inet gl-ar750s_firmware
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-2023-33621.

URL Resource
http://gl-ar750s-ext.com Broken Link
http://glinet.com Broken Link
https://justinapplegate.me/2023/glinet-CVE-2023-33621/ Exploit Third Party Advisory

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-2023-33621 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-33621 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
  • Initial Analysis by [email protected]

    Jun. 23, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type http://gl-ar750s-ext.com No Types Assigned http://gl-ar750s-ext.com Broken Link
    Changed Reference Type http://glinet.com No Types Assigned http://glinet.com Broken Link
    Changed Reference Type https://justinapplegate.me/2023/glinet-CVE-2023-33621/ No Types Assigned https://justinapplegate.me/2023/glinet-CVE-2023-33621/ Exploit, Third Party Advisory
    Added CWE NIST CWE-294
    Added CPE Configuration AND OR *cpe:2.3:o:gl-inet:gl-ar750s_firmware:3.215:*:*:*:*:*:*:* OR cpe:2.3:h:gl-inet:gl-ar750s:-:*:*:*:*:*:*:*
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.
Exploit Prediction

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

0.20 }} 0.02%

score

0.58788

percentile

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