CVE-2020-27871 Explained : Impact and Mitigation
Learn about CVE-2020-27871, a high-severity vulnerability in SolarWinds Orion Platform 2020.2.1 allowing remote attackers to create arbitrary files and execute code. Find mitigation steps and prevention measures here.
This vulnerability allows remote attackers to create arbitrary files on affected installations of SolarWinds Orion Platform 2020.2.1. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within VulnerabilitySettings.aspx. An attacker can leverage this vulnerability to execute arbitrary code in the context of SYSTEM.
Understanding CVE-2020-27871
This CVE involves a high-severity vulnerability in SolarWinds Orion Platform 2020.2.1 that allows remote attackers to create arbitrary files and execute code.
What is CVE-2020-27871?
- Remote attackers can create arbitrary files on affected SolarWinds Orion Platform installations.
- Authentication is required but can be bypassed, enabling the execution of arbitrary code.
The Impact of CVE-2020-27871
- CVSS Base Score: 7.2 (High)
- Attack Vector: Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: High
Technical Details of CVE-2020-27871
This section provides more technical insights into the vulnerability.
Vulnerability Description
- The flaw allows attackers to create arbitrary files on SolarWinds Orion Platform 2020.2.1.
- Lack of proper validation of user-supplied paths in VulnerabilitySettings.aspx is the root cause.
Affected Systems and Versions
- Product: Orion Platform
- Vendor: SolarWinds
- Version: 2020.2.1
Exploitation Mechanism
- Attack Complexity: Low
- Scope: Unchanged
- User Interaction: None
- Attack Vector: Network
Mitigation and Prevention
Protect your systems from CVE-2020-27871 with these mitigation strategies.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Monitor for any unauthorized access or file creation.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities.
- Conduct security assessments and penetration testing to identify weaknesses.
- Enhance user authentication mechanisms to prevent bypasses.
Patching and Updates
- Stay informed about security updates from SolarWinds.
- Apply patches and updates as soon as they are available to mitigate the risk of exploitation.