CVE-2020-25256 Explained : Impact and Mitigation

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 PKI certificates have a private key that is the same across different customers' installations.

Understanding CVE-2020-25256

This CVE identifies a security vulnerability in Hyland OnBase software that could lead to a significant security risk.

What is CVE-2020-25256?

The CVE-2020-25256 vulnerability in Hyland OnBase software allows for the exposure of private keys in PKI certificates that are identical across various customer installations, posing a severe security threat.

The Impact of CVE-2020-25256

The impact of this vulnerability includes the potential compromise of sensitive data and the confidentiality of communications due to the exposure of private keys.

Technical Details of CVE-2020-25256

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in Hyland OnBase versions allows for the reuse of private keys in PKI certificates across different customer installations, creating a significant security risk.

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

The vulnerability can be exploited by malicious actors to intercept and decrypt sensitive information due to the reuse of private keys in PKI certificates.

Mitigation and Prevention

Protecting systems from CVE-2020-25256 is crucial to maintaining security.

Immediate Steps to Take

Update Hyland OnBase to the latest version that addresses this vulnerability.
Generate new PKI certificates with unique private keys for each customer installation.
Monitor network traffic for any signs of unauthorized access.

Long-Term Security Practices

Implement a robust key management system to ensure the uniqueness of private keys.
Regularly audit and update security protocols to prevent similar vulnerabilities.

Patching and Updates

Apply patches and updates provided by Hyland for OnBase to mitigate the CVE-2020-25256 vulnerability.