CVE-2021-27404 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-27404 affecting Askey RTF8115VW BR_SV_g11.11_RTF_TEF001_V6.54_V014 devices. Learn about the vulnerability, affected systems, exploitation, and mitigation steps.
This article provides details about CVE-2021-27404, a vulnerability found in Askey RTF8115VW BR_SV_g11.11_RTF_TEF001_V6.54_V014 devices that allow injection of a Host HTTP header.
Understanding CVE-2021-27404
This section explains the impact and technical details of CVE-2021-27404.
What is CVE-2021-27404?
CVE-2021-27404 is a vulnerability in Askey RTF8115VW BR_SV_g11.11_RTF_TEF001_V6.54_V014 devices that permits the injection of a Host HTTP header, potentially leading to security risks.
The Impact of CVE-2021-27404
This vulnerability allows malicious actors to manipulate the Host HTTP header, which can be exploited to launch attacks such as request smuggling, session fixation, and other security breaches.
Technical Details of CVE-2021-27404
In this section, we dive into the specifics of the vulnerability.
Vulnerability Description
Askey RTF8115VW BR_SV_g11.11_RTF_TEF001_V6.54_V014 devices are susceptible to unauthorized injection of a Host HTTP header, enabling attackers to interfere with communication and potentially gain unauthorized access.
Affected Systems and Versions
All instances of Askey RTF8115VW BR_SV_g11.11_RTF_TEF001_V6.54_V014 devices are affected by this vulnerability.
Exploitation Mechanism
The exploitation involves injecting a malicious Host HTTP header to manipulate server-client communication, which can be leveraged to carry out various attacks.
Mitigation and Prevention
This section outlines steps to mitigate the risks posed by CVE-2021-27404.
Immediate Steps to Take
Users are advised to apply security patches provided by Askey to address this vulnerability. Additionally, monitoring network traffic for unusual patterns can help detect exploitation attempts.
Long-Term Security Practices
Implementing secure coding practices, regular security audits, and staying informed about emerging threats can bolster long-term security measures.
Patching and Updates
Regularly updating firmware and software, along with prompt application of patches from the vendor, is crucial to maintaining the security of Askey RTF8115VW BR_SV_g11.11_RTF_TEF001_V6.54_V014 devices.