CVE-2021-35221 Explained : Impact and Mitigation
Learn about CVE-2021-35221, an Improper Access Control Tampering Vulnerability in SolarWinds Orion Platform, allowing Remote Code Execution from Alerts Settings page.
A detailed overview of the ImportAlert Improper Access Control Tampering Vulnerability affecting SolarWinds Orion Platform.
Understanding CVE-2021-35221
This section provides insights into the nature of the vulnerability and its implications.
What is CVE-2021-35221?
The CVE-2021-35221 vulnerability involves an Improper Access Control Tampering issue using the ImportAlert function. This flaw can potentially result in Remote Code Execution (RCE) from the Alerts Settings page.
The Impact of CVE-2021-35221
The vulnerability has a CVSS base score of 6.3, with a Medium severity rating. It can lead to low confidentiality impact and high integrity impact, requiring low privileges for exploitation in Windows environments.
Technical Details of CVE-2021-35221
Explore the technical aspects of the CVE-2021-35221 vulnerability.
Vulnerability Description
The vulnerability arises from an improper access control issue in the ImportAlert feature, allowing threat actors to execute code remotely via the Alerts Settings page.
Affected Systems and Versions
The affected system is the SolarWinds Orion Platform, specifically versions 2020.2.6 and prior, running on Windows.
Exploitation Mechanism
Threat actors can exploit this vulnerability through the ImportAlert function to gain unauthorized access and execute malicious code remotely.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks associated with CVE-2021-35221.
Immediate Steps to Take
It is recommended to install the 2020.2.6 Hotfix 1 for the SolarWinds Orion Platform promptly. Additionally, users should adhere to all the security recommendations outlined in the Orion Secure Configuration Guide.
Long-Term Security Practices
Implement robust security practices such as regular system updates, network segmentation, and access control measures to enhance overall security posture.
Patching and Updates
Ensure all systems are up to date with the latest patches and security updates to prevent exploitation of known vulnerabilities.