CVE-2020-29583 Scanner
Detects 'Hard-Coded Credentials' vulnerability in ZyXel USG affects v. 4.60.
Short Info
Level
Critical
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
4 weeks 21 hours
Scan only one
Domain, IPv4, Subdomain
Toolbox
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Understanding the CVE-2020-29583 Vulnerability in ZyXEL USG Devices
Introduction to ZyXEL USG
The ZyXEL Unified Security Gateway (USG) series is widely utilized in small and medium-sized businesses to ensure network security. These devices act as a firewall, VPN gateway, and intrusion detection system, playing a crucial role in protecting internal networks from external threats. Given their critical function, the security of ZyXEL USG devices is paramount for maintaining the confidentiality, integrity, and availability of business data and IT infrastructure. The reliability and effectiveness of ZyXEL USG devices have made them a popular choice for businesses aiming to bolster their cybersecurity posture.
Details of CVE-2020-29583 Vulnerability
The CVE-2020-29583 vulnerability is a significant security flaw discovered in version 4.60 of the ZyXEL USG product. This vulnerability stems from the presence of hard-coded credentials within the firmware of the device. Attackers can exploit this vulnerability by using these hardcoded credentials to gain unauthorized access to the device. The presence of such credentials poses a severe risk as it compromises the security of the device and, consequently, the entire network it is designed to protect. This flaw highlights the critical need for rigorous security practices in the development and maintenance of network security devices.
Consequences of Exploiting CVE-2020-29583
Exploitation of the CVE-2020-29583 vulnerability can have dire consequences for organizations. Unauthorized access gained through this vulnerability can lead to a range of malicious activities, including data theft, network disruption, and the installation of malware. Such breaches can result in significant financial losses, damage to an organization’s reputation, and legal repercussions. Furthermore, attackers could leverage compromised devices to launch further attacks against other assets within the network, exacerbating the impact of the initial breach. Protecting against such vulnerabilities is critical for safeguarding organizational assets and maintaining trust with clients and stakeholders.
Why Choose S4E
For organizations that have not yet joined the S4E platform, now is the time to consider the benefits of Continuous Threat Exposure Management services. S4E offers advanced scanning technology designed to detect vulnerabilities like CVE-2020-29583 in digital assets. By becoming a member, organizations gain access to continuous scanning and real-time alerts, empowering them to proactively identify and address vulnerabilities before they can be exploited. The platform's commitment to cutting-edge cybersecurity solutions makes it an invaluable partner in the fight against cyber threats.
References
- https://www.zyxel.com/support/security_advisories.shtml
- http://ftp.zyxel.com/USG40/firmware/USG40_4.60%28AALA.1%29C0_2.pdf
- https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15
- https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release
- https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html
- https://www.zyxel.com/support/CVE-2020-29583.shtml
- https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/