CVE-2021-35243 : Security Advisory and Response
Learn about CVE-2021-35243: Enabling of HTTP PUT and DELETE methods in SolarWinds Web Help Desk allows users to execute dangerous HTTP requests, potentially compromising data integrity. Find mitigation steps here.
Exploitation of HTTP PUT and DELETE methods in Web Help Desk by SolarWinds (12.7.7 and earlier versions) enables users to execute dangerous HTTP requests, potentially compromising data integrity.
Understanding CVE-2021-35243
This CVE involves the improper allowance of HTTP PUT and DELETE methods in the Web Help Desk web server, leading to potential security risks.
What is CVE-2021-35243?
The CVE-2021-35243 vulnerability involves the enabling of HTTP PUT and DELETE methods in SolarWinds Web Help Desk, which may result in unauthorized execution of HTTP requests, posing a threat to data integrity.
The Impact of CVE-2021-35243
The impact of CVE-2021-35243 lies in the ability for users to misuse the HTTP PUT and DELETE methods, potentially causing a loss of data integrity.
Technical Details of CVE-2021-35243
The technical details of CVE-2021-35243 include the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability allows users to utilize the HTTP PUT method for uploading data with a user-supplied URL and the DELETE method to sever the connection between a resource and its functionality, risking data integrity.
Affected Systems and Versions
SolarWinds Web Help Desk versions 12.7.7 and earlier, including 12.7.7 HF1, are impacted by this vulnerability.
Exploitation Mechanism
Improper use of the HTTP PUT and DELETE methods by malicious actors may lead to the execution of dangerous HTTP requests and potential data integrity breaches.
Mitigation and Prevention
To address CVE-2021-35243, immediate actions as well as long-term security practices need to be implemented in organizations utilizing affected SolarWinds Web Help Desk versions.
Immediate Steps to Take
Affected customers are advised to upgrade to Web Help Desk version 12.7.7 Hotfix 1 once it becomes available to mitigate the security risks associated with CVE-2021-35243.
Long-Term Security Practices
Incorporating secure coding practices, conducting regular security assessments, and staying informed about software updates can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly applying security patches and updates provided by SolarWinds for Web Help Desk is crucial to address known vulnerabilities and enhance overall system security.