CVE-2021-27392 : Vulnerability Insights and Analysis
Discover the details of CVE-2021-27392 affecting Siveillance Video Open Network Bridge versions 2020 R3, 2020 R2, 2020 R1, 2019 R3, 2019 R2, 2019 R1, 2018 R3, and 2018 R2. Learn about the impact, technical details, affected systems, and mitigation steps.
A vulnerability has been identified in Siveillance Video Open Network Bridge, affecting versions 2020 R3, 2020 R2, 2020 R1, 2019 R3, 2019 R2, 2019 R1, 2018 R3, and 2018 R2. The flaw allows an authenticated remote attacker to retrieve and decrypt stored credentials on the ONVIF server.
Understanding CVE-2021-27392
This section delves into the details of the CVE-2021-27392 vulnerability.
What is CVE-2021-27392?
CVE-2021-27392 is a vulnerability found in Siveillance Video Open Network Bridge, allowing a remote attacker to access and decrypt user credentials stored on the ONVIF server.
The Impact of CVE-2021-27392
The impact of CVE-2021-27392 is significant as it exposes sensitive user credentials to potential decryption by malicious actors.
Technical Details of CVE-2021-27392
Explore the technical aspects of the CVE-2021-27392 vulnerability in this section.
Vulnerability Description
The vulnerability arises due to the storage of user credentials using a hard-coded key, enabling unauthorized access to sensitive information.
Affected Systems and Versions
Siveillance Video Open Network Bridge versions 2020 R3, 2020 R2, 2020 R1, 2019 R3, 2019 R2, 2019 R1, 2018 R3, and 2018 R2 are affected by this security flaw.
Exploitation Mechanism
The flaw allows an attacker to retrieve and decrypt user credentials stored on the ONVIF server through the MIP SDK, posing a serious security risk.
Mitigation and Prevention
Learn how to mitigate and prevent the exploitation of CVE-2021-27392 in this section.
Immediate Steps to Take
Users are advised to apply security patches promptly to address this vulnerability and prevent unauthorized access to sensitive credentials.
Long-Term Security Practices
Implementing robust authentication mechanisms and avoiding hard-coded cryptographic keys can enhance the long-term security posture of systems.
Patching and Updates
Regularly monitor security advisories from Siemens and apply software updates to mitigate the risk posed by CVE-2021-27392.