CVE-2021-21735 : What You Need to Know
Learn about CVE-2021-21735, an information leak vulnerability impacting ZTE's ZXHN H168N product. Understand the risks, affected versions, and mitigation strategies.
A ZTE product, ZXHN H168N, is impacted by an information leak vulnerability allowing attackers to obtain sensitive user information without authentication. This CVE affects all versions up to V3.5.0_EG1T4_TE.
Understanding CVE-2021-21735
This section provides an insight into the vulnerability, its impacts, technical details, and mitigation strategies.
What is CVE-2021-21735?
The CVE-2021-21735 involves an information leak vulnerability in ZTE's ZXHN H168N product. Attackers with ordinary user permissions can exploit this flaw to access sensitive user data without requiring authentication.
The Impact of CVE-2021-21735
The vulnerability poses a significant risk as it allows unauthorized access to confidential user information through the wizard page, potentially compromising user privacy and security.
Technical Details of CVE-2021-21735
Below are the specific technical details related to this CVE:
Vulnerability Description
The vulnerability in ZXHN H168N arises due to improper permission settings, enabling attackers to exploit the flaw and extract sensitive user information.
Affected Systems and Versions
All versions of ZXHN H168N up to V3.5.0_EG1T4_TE are affected by this information leak vulnerability.
Exploitation Mechanism
Attackers with ordinary user permissions can leverage the vulnerability to access sensitive user data without needing authentication, potentially leading to data breaches.
Mitigation and Prevention
It is crucial to take immediate steps and implement long-term security measures to mitigate the risks associated with CVE-2021-21735.
Immediate Steps to Take
Network administrators should restrict access to potentially vulnerable systems, monitor for any suspicious activities, and apply security patches as soon as they are available.
Long-Term Security Practices
Regular security assessments, user permissions audits, and employee security awareness training can help prevent similar vulnerabilities in the future.
Patching and Updates
ZTE may release security patches to address the information leak vulnerability in ZXHN H168N. It is essential to promptly apply these patches to secure the affected systems.