CVE-2020-25259 : Exploit Details and Defense Strategies

An issue was discovered in Hyland OnBase versions 16.0.2.83 and below, 17.0.2.109 and below, 18.0.0.37 and below, 19.8.16.1000 and below, and 20.3.10.1000 and below, where XML deserialization libraries are used in an unsafe manner.

Understanding CVE-2020-25259

This CVE identifies a vulnerability in Hyland OnBase software that could potentially be exploited by attackers.

What is CVE-2020-25259?

The CVE-2020-25259 vulnerability pertains to the unsafe usage of XML deserialization libraries in Hyland OnBase software versions.

The Impact of CVE-2020-25259

This vulnerability could allow malicious actors to execute arbitrary code or cause a denial of service by exploiting the insecure XML deserialization.

Technical Details of CVE-2020-25259

Hyland OnBase CVE-2020-25259 has the following technical details:

Vulnerability Description

The issue lies in the unsafe handling of XML deserialization libraries within the affected versions of Hyland OnBase.

Affected Systems and Versions

Hyland OnBase 16.0.2.83 and below
Hyland OnBase 17.0.2.109 and below
Hyland OnBase 18.0.0.37 and below
Hyland OnBase 19.8.16.1000 and below
Hyland OnBase 20.3.10.1000 and below

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating XML data to execute arbitrary code or disrupt services.

Mitigation and Prevention

To address CVE-2020-25259, consider the following mitigation strategies:

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor for any unusual activities on the network.
Restrict access to critical systems to authorized personnel only.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate employees on cybersecurity best practices to enhance overall security posture.

Patching and Updates

Ensure that all Hyland OnBase installations are updated to versions that contain fixes for the XML deserialization vulnerability.