CVE-2020-11628 : Security Advisory and Response

An issue was discovered in EJBCA before 6.15.2.6 and 7.x before 7.3.1.2 where remote protocol restrictions can be bypassed by modifying the URI string.

Understanding CVE-2020-11628

This CVE identifies a vulnerability in EJBCA that allows bypassing restrictions on available remote protocols through system configuration.

What is CVE-2020-11628?

The vulnerability in EJBCA versions before 6.15.2.6 and 7.x before 7.3.1.2 allows unauthorized bypass of restrictions on remote protocols by altering the URI string.

The Impact of CVE-2020-11628

The vulnerability enables attackers to circumvent intended access control measures for remote protocols, potentially leading to unauthorized access and misuse of the system.

Technical Details of CVE-2020-11628

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The issue in EJBCA allows for the bypass of configured restrictions on remote protocols by manipulating the URI string from a client-side.

Affected Systems and Versions

EJBCA versions before 6.15.2.6 and 7.x before 7.3.1.2 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by modifying the URI string to evade the system's intended restrictions on available remote protocols.

Mitigation and Prevention

Protecting systems from CVE-2020-11628 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update EJBCA to version 6.15.2.6 or 7.3.1.2 to mitigate the vulnerability.
Monitor and restrict access to the system to prevent unauthorized modifications.

Long-Term Security Practices

Regularly review and update access control configurations to ensure the integrity of remote protocol restrictions.
Conduct security assessments to identify and address potential vulnerabilities proactively.

Patching and Updates

Apply patches and updates provided by EJBCA promptly to address security vulnerabilities and enhance system protection.