Known Exploited Vulnerability
7.5
HIGH
CVE-2024-11667
Zyxel Multiple Firewalls Path Traversal Vulnerabil - [Actively Exploited]
Description

A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.

INFO

Published Date :

Nov. 27, 2024, 10:15 a.m.

Last Modified :

Dec. 4, 2024, 2 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Multiple Zyxel firewalls contain a path traversal vulnerability in the web management interface that could allow an attacker to download or upload files via a crafted URL.

Required Action :

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes :

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-21-2024 ; https://nvd.nist.gov/vuln/detail/CVE-2024-11667

Affected Products

The following products are affected by CVE-2024-11667 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 Zyxel usg_20w-vpn_firmware
2 Zyxel usg_flex_100_firmware
3 Zyxel atp100_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-2024-11667.

URL Resource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-27-2024

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-2024-11667 vulnerability anywhere in the article.

  • TheCyberThrone
The CyberThrone Most Exploited Vulnerabilities Top 10 – November 2024

Welcome to TheCyberThrone most exploited vulnerabilities review. This review is for the month of November 2024CVE-2024-9463: Palo Alto OS Command InjectionCVSS 3.1 Score : 9.9 CISA KEV: YesThis vuln ... Read more

Published Date: Dec 01, 2024 (3 days, 2 hours ago)
  • TheCyberThrone
TheCyberThrone CyberSecurity Newsletter Top 5 Articles – November, 2024

Welcome to TheCyberThrone cybersecurity month in review will be posted covering the important security happenings . This review is for the month ending November, 2024Subscribers favorite #1Apache Airf ... Read more

Published Date: Dec 01, 2024 (3 days, 2 hours ago)
  • TheCyberThrone
INC Ransom claimed responsibility on Alder Hey Children’s Trust attack

On November 28, the ransomware group INC Ransom claimed to have compromised sensitive data from Alder Hey Children’s NHS Foundation Trust in Liverpool, UK. They posted on their data leak site that the ... Read more

Published Date: Nov 30, 2024 (3 days, 18 hours ago)
  • TheCyberThrone
Zabbix tool affected by CVE-2024-42327

Zabbix, an open-source application monitoring tool, is warning its customers of a new critical vulnerability that could lead to full system compromise.The vulnerability tracked as CVE-2024-42327 with ... Read more

Published Date: Nov 30, 2024 (3 days, 22 hours ago)
  • The Cyber Express
Critical ICS Vulnerabilities Discovered in Schneider Electric, mySCADA, and Automated Logic Products

A recent Cyble ICS vulnerabilities report sheds light on several critical vulnerabilities in industrial control systems (ICS) from major vendors including Schneider Electric, mySCADA, and Automated Lo ... Read more

Published Date: Nov 29, 2024 (4 days, 20 hours ago)
  • The Cyber Express
Zyxel Firewalls Targeted by Helldown Ransomware: CVE-2024-11667 Exploited

Zyxel Firewalls have become a key target in recent cyberattacks, with attackers exploiting a critical vulnerability to deploy the dangerous Helldown ransomware. The German CERT (CERT-Bund) has issued ... Read more

Published Date: Nov 29, 2024 (4 days, 23 hours ago)
  • Cybersecurity News
CVE-2024-11667: Critical Vulnerability in Zyxel Firewalls Actively Exploited

CERT Germany (CERT-Bund) and Zyxel have warned of actively exploiting a critical vulnerability in Zyxel firewalls. This vulnerability tracked as CVE-2024-11667, is being leveraged to deploy Helldown r ... Read more

Published Date: Nov 29, 2024 (5 days, 5 hours ago)

The following table lists the changes that have been made to the CVE-2024-11667 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 CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Dec. 04, 2024

    Action Type Old Value New Value
    Added Date Added 2024-12-03
    Added Due Date 2024-12-24
    Added Required Action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name Zyxel Multiple Firewalls Path Traversal Vulnerability
  • CVE Modified by [email protected]

    Nov. 28, 2024

    Action Type Old Value New Value
    Added Reference https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-27-2024
    Removed Reference https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-21-2024
  • New CVE Received by [email protected]

    Nov. 27, 2024

    Action Type Old Value New Value
    Added Description A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-22
    Added Reference https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-21-2024
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-2024-11667 is associated with the following CWEs:

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