7.5
HIGH
CVE-2021-22909
"Ubiquiti EdgeRouter Man-in-the-Middle Authentication Bypass"
Description

A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerability is fixed in EdgeMAX EdgeRouter V2.0.9-hotfix.1 and later.

INFO

Published Date :

May 27, 2021, 12:15 p.m.

Last Modified :

Feb. 15, 2024, 8:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

1.6
Public PoC/Exploit Available at Github

CVE-2021-22909 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-22909 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 Ui edgemax_edgerouter_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-2021-22909.

URL Resource
https://community.ui.com/releases/Security-Advisory-Bulletin-018-018/cfa1566b-4bf8-427b-8cc7-8cffba3a93a4 Vendor 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).

An Ubiquiti Airos Airmax antennas automatic configurator for WISP porpuses

bash linux ubiquiti airos wisp

Shell Batchfile

Updated: 2 years ago
1 stars 0 fork 0 watcher
Born at : May 18, 2021, 5:33 a.m. This repo has been linked 1 different CVEs too.

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

The following list is the news that have been mention CVE-2021-22909 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-22909 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]

    Feb. 15, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 08, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:H/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://community.ui.com/releases/Security-Advisory-Bulletin-018-018/cfa1566b-4bf8-427b-8cc7-8cffba3a93a4 No Types Assigned https://community.ui.com/releases/Security-Advisory-Bulletin-018-018/cfa1566b-4bf8-427b-8cc7-8cffba3a93a4 Vendor Advisory
    Added CWE NIST CWE-295
    Added CPE Configuration AND OR *cpe:2.3:o:ui:edgemax_edgerouter_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.0.9 OR cpe:2.3:h:ui:edgemax_edgerouter:-:*:*:*:*:*:*:*
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-2021-22909 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.

0.32 }} -0.04%

score

0.70785

percentile

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