CVE-2020-10990 : What You Need to Know
Learn about CVE-2020-10990, an XXE vulnerability in Accenture Mercury versions before 1.12.28, allowing attackers to exploit XML parsing for data exposure or server-side request forgery. Find mitigation steps and preventive measures here.
An XXE issue exists in Accenture Mercury before 1.12.28 due to the platformlambda/core/serializers/SimpleXmlParser.java component.
Understanding CVE-2020-10990
What is CVE-2020-10990?
This CVE refers to an XML External Entity (XXE) vulnerability found in Accenture Mercury versions prior to 1.12.28.
The Impact of CVE-2020-10990
The vulnerability allows attackers to exploit the XML parsing functionality, potentially leading to sensitive data exposure or server-side request forgery.
Technical Details of CVE-2020-10990
Vulnerability Description
The issue arises from the SimpleXmlParser.java component in Accenture Mercury, enabling malicious entities to manipulate XML input.
Affected Systems and Versions
- Product: Accenture Mercury
- Versions affected: Before 1.12.28
Exploitation Mechanism
Attackers can craft malicious XML payloads to trigger the XXE vulnerability, gaining unauthorized access or executing arbitrary code.
Mitigation and Prevention
Immediate Steps to Take
- Update Accenture Mercury to version 1.12.28 or later to patch the XXE vulnerability.
- Implement input validation to sanitize XML inputs and prevent malicious payloads.
Long-Term Security Practices
- Regularly monitor and audit XML processing functions for vulnerabilities.
- Educate developers on secure coding practices to mitigate XXE risks.
Patching and Updates
Apply security patches promptly and stay informed about security advisories to address emerging threats.