CVE-2022-22520 : What You Need to Know
Learn about CVE-2022-22520, a user enumeration vulnerability affecting MB connect line and Helmholz products, allowing remote attackers to identify valid users. Update to Version 2.12.1 for mitigation.
A user enumeration vulnerability has been discovered in MB connect line and Helmholz products, allowing a remote, unauthenticated attacker to enumerate valid users by sending specific requests to the affected web services.
Understanding CVE-2022-22520
This CVE relates to a security issue in multiple products from MB connect line and Helmholz, exposing a vulnerability that could potentially lead to user enumeration.
What is CVE-2022-22520?
The CVE-2022-22520 vulnerability allows malicious actors to identify valid users by leveraging certain requests sent to the webservice of affected products.
The Impact of CVE-2022-22520
With a CVSS base score of 5.3 (Medium severity), the vulnerability poses a risk of low confidentiality impact but does not require any specific privileges or user interaction for exploitation. It affects various versions of mymbCONNECT24, mbCONNECT24, myREX24, and myREX24.virtual up to v2.11.2.
Technical Details of CVE-2022-22520
This section dives into the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability originates from a flaw in the webservice implementation of the affected products, allowing unauthorized users to enumerate valid user accounts through specific requests.
Affected Systems and Versions
Products impacted include mymbCONNECT24, mbCONNECT24 by MB connect line, and myREX24, myREX24.virtual by Helmholz, up to version 2.11.2.
Exploitation Mechanism
Remote attackers can exploit this flaw without authentication, sending crafted requests to the webservice to gather information about valid users.
Mitigation and Prevention
To address CVE-2022-22520, immediate actions, long-term security practices, and patching instructions are essential.
Immediate Steps to Take
Organizations should update the affected products to Version 2.12.1 as a security measure to mitigate the vulnerability.
Long-Term Security Practices
Implementing robust access controls, regular security assessments, and monitoring user enumeration attempts can enhance overall security posture.
Patching and Updates
Regularly applying software updates and security patches provided by the vendors is crucial to staying protected from known vulnerabilities.