CVE-2023-35140 : What You Need to Know
Learn about CVE-2023-35140, a medium severity vulnerability in Zyxel GS1900-24EP switch firmware allowing authenticated users to modify system settings. Discover impact, technical details, and mitigation steps.
A detailed overview of CVE-2023-35140 highlighting the vulnerability, its impact, technical details, and mitigation strategies.
Understanding CVE-2023-35140
This section provides insights into the improper privilege management vulnerability affecting Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5).
What is CVE-2023-35140?
The CVE-2023-35140 vulnerability in Zyxel GS1900-24EP firmware version V2.70(ABTO.5) can enable an authenticated local user with read-only access to modify system settings on the device.
The Impact of CVE-2023-35140
The vulnerability poses a medium severity risk, with a CVSS base score of 5.5. It allows unauthorized users to manipulate system configurations, potentially leading to security breaches and unauthorized access.
Technical Details of CVE-2023-35140
Explore the specifics of the CVE-2023-35140 vulnerability, including its description, affected systems, and the exploitation mechanism.
Vulnerability Description
The improper privilege management flaw in Zyxel GS1900-24EP firmware version V2.70(ABTO.5) permits authenticated local users with limited access to make unauthorized changes to system settings.
Affected Systems and Versions
The vulnerability impacts Zyxel GS1900-24EP switches running firmware version V2.70(ABTO.5), potentially exposing them to exploitation by malicious actors.
Exploitation Mechanism
By leveraging the vulnerability, authenticated local users with read-only access can elevate their privileges to modify critical system configurations, posing a security risk.
Mitigation and Prevention
Discover the necessary steps to mitigate the CVE-2023-35140 vulnerability, ensuring the security of affected systems.
Immediate Steps to Take
Users should update their Zyxel GS1900-24EP switch firmware to a patched version to mitigate the vulnerability and prevent unauthorized modifications.
Long-Term Security Practices
Implementing proper privilege management protocols and regularly monitoring system configurations can enhance long-term security posture and prevent similar vulnerabilities.
Patching and Updates
Stay informed about security advisories from Zyxel and promptly apply recommended patches and updates to protect systems from potential exploits.