CVE-2021-20847 : Vulnerability Insights and Analysis
Learn about CVE-2021-20847, a cross-site scripting vulnerability in Wi-Fi STATION SH-52A devices by NTT DOCOMO, INC. and how to mitigate the risks. Stay informed and update your devices for security.
This article provides details about CVE-2021-20847, a cross-site scripting vulnerability affecting Wi-Fi STATION SH-52A devices by NTT DOCOMO, INC.
Understanding CVE-2021-20847
CVE-2021-20847 is a security vulnerability that allows a remote unauthenticated attacker to inject arbitrary scripts via the WebUI of affected Wi-Fi STATION SH-52A devices.
What is CVE-2021-20847?
CVE-2021-20847 is a cross-site scripting vulnerability in Wi-Fi STATION SH-52A devices, potentially leading to unauthorized script injection by remote attackers.
The Impact of CVE-2021-20847
The vulnerability could result in malicious scripts being executed within the context of a user's session, leading to potential data theft, session hijacking, or other forms of web application manipulation.
Technical Details of CVE-2021-20847
The technical details of CVE-2021-20847 include:
Vulnerability Description
Cross-site scripting vulnerability in Wi-Fi STATION SH-52A allows remote unauthenticated attackers to inject arbitrary scripts via the device's WebUI.
Affected Systems and Versions
The vulnerability affects Wi-Fi STATION SH-52A devices with versions 38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts via the WebUI of the affected device, potentially compromising user data and system integrity.
Mitigation and Prevention
To address CVE-2021-20847, consider the following mitigation strategies:
Immediate Steps to Take
- Update Wi-Fi STATION SH-52A devices to patched versions released by NTT DOCOMO, INC.
- Implement network-level protections to filter and block malicious script injections.
Long-Term Security Practices
- Regularly monitor and update devices to patch known vulnerabilities.
- Educate users on safe browsing practices to minimize the risk of executing malicious scripts.
Patching and Updates
Stay informed about security advisories and updates provided by NTT DOCOMO, INC. for Wi-Fi STATION SH-52A devices.