CVE-2021-23852 : Vulnerability Insights and Analysis
Learn about CVE-2021-23852, a Medium severity vulnerability in Bosch IP cameras due to an invalid web parameter, potentially leading to a Denial of Service (DoS) attack. Find out the impact, affected systems, and mitigation steps.
This CVE-2021-23852 article provides insights into a Denial of Service vulnerability in Bosch IP cameras due to an invalid web parameter, potentially leading to unresponsiveness.
Understanding CVE-2021-23852
This section delves into the impact, technical details, and mitigation strategies related to the CVE-2021-23852 vulnerability.
What is CVE-2021-23852?
The CVE-2021-23852 vulnerability involves an authenticated attacker with administrator rights exploiting an invalid parameter, causing the Bosch IP camera to become unresponsive briefly and resulting in a Denial of Service (DoS) attack.
The Impact of CVE-2021-23852
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 4.9. It can be triggered by an attacker with high privileges, leading to a temporary unresponsive state in the affected camera, potentially disrupting its functionality.
Technical Details of CVE-2021-23852
Understanding the vulnerability specifics is crucial for implementing effective mitigation strategies.
Vulnerability Description
A validated attacker leveraging an invalid web parameter can render Bosch IP cameras unresponsive for a few seconds, causing a DoS condition.
Affected Systems and Versions
The vulnerability affects all versions of CPP Firmware across platforms CPP4, CPP6, CPP7, CPP7.3, and CPP13 offered by Bosch.
Exploitation Mechanism
The attacker needs to be authenticated with administrator rights to exploit the vulnerability by manipulating the URL with an invalid parameter, triggering unresponsiveness in the camera.
Mitigation and Prevention
Taking immediate and long-term security measures is crucial to safeguard systems from potential exploits.
Immediate Steps to Take
Users should consider restricting access to URLs and closely monitor web requests to detect any suspicious activity that could indicate an attack in progress.
Long-Term Security Practices
Regular security audits, user access reviews, and firmware updates can help prevent such vulnerabilities from being exploited in the future.
Patching and Updates
Ensuring that the firmware of Bosch IP cameras is up to date with the latest patches and security enhancements is essential to mitigate the risk of a DoS attack.