CVE-2021-42122 : Vulnerability Insights and Analysis

Denial of Service via Invalid Object Attribute in TopEase

Understanding CVE-2021-42122

Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH's TopEase® Platform Version <= 7.1.27 on an object's attributes with numeric format allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format, making the affected attribute non-editable.

What is CVE-2021-42122?

CVE-2021-42122 describes a vulnerability in TopEase where insufficient input validation on certain object attributes could allow a remote attacker to trigger a denial of service by inserting unexpected formats.

The Impact of CVE-2021-42122

The vulnerability poses a medium severity risk with a CVSS base score of 4.3. Attackers with Object Modification privileges can exploit this issue to render affected attributes non-editable

Technical Details of CVE-2021-42122

Vulnerability Description

The vulnerability arises from insufficient input validation in TopEase, permitting attackers to impact specific object attributes.

Affected Systems and Versions

Product: TopEase
Vendor: Business-DNA Solutions GmbH
Versions Affected: <= 7.1.27

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-supplied patches promptly
Monitor and restrict access to the vulnerable system

Long-Term Security Practices

Conduct regular security assessments and audits
Implement proper input validation in web applications

Patching and Updates

Ensure systems are regularly updated with the latest security patches from Business-DNA Solutions GmbH.