CVE-2021-26472 : Vulnerability Insights and Analysis
Discover the critical vulnerability CVE-2021-26472 in Vembu products allowing unauthenticated remote command execution. Learn about the impact, technical details, and mitigation steps.
A critical vulnerability was discovered in Vembu products that allowed unauthenticated remote command execution with SYSTEM privileges, posing a significant security risk.
Understanding CVE-2021-26472
This vulnerability, with a CVSS base score of 10.0, affects VembuBDR and VembuOffsiteDR versions prior to 4.2.0.1 on Windows systems.
What is CVE-2021-26472?
CVE-2021-26472 enables an unauthenticated attacker to execute arbitrary OS commands with SYSTEM privileges via the http API of affected Vembu products.
The Impact of CVE-2021-26472
The impact of this vulnerability is critical, allowing attackers to remotely execute commands with elevated privileges, potentially leading to system compromise and data breaches.
Technical Details of CVE-2021-26472
This section provides an overview of the vulnerability's description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
In VembuBDR and VembuOffsiteDR versions before 4.2.0.1 on Windows, the http API located at /consumerweb/secure/download.php allows unauthenticated attackers to execute OS commands as SYSTEM.
Affected Systems and Versions
VembuBDR and VembuOffsiteDR versions prior to 4.2.0.1 installed on Windows systems are vulnerable to CVE-2021-26472.
Exploitation Mechanism
By leveraging the command argument in the http API, malicious actors can remotely execute arbitrary commands with elevated privileges.
Mitigation and Prevention
To safeguard systems from this critical vulnerability, immediate steps need to be taken, in addition to employing long-term security practices and patching procedures.
Immediate Steps to Take
It is crucial to apply security patches provided by Vembu for the affected versions and restrict access to vulnerable components to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing network segmentation, least privilege access controls, and regular security updates can help enhance overall security posture against similar threats.
Patching and Updates
Regularly monitor for security advisories from Vembu and promptly apply patches to address known vulnerabilities and improve system resilience.