CVE-2023-21888 : Security Advisory and Response

This CVE-2023-21888 information provides details about a vulnerability in the Primavera Gateway product of Oracle Construction and Engineering, potentially impacting various versions of the software.

Understanding CVE-2023-21888

CVE-2023-21888 involves an easily exploitable vulnerability in Primavera Gateway, allowing a low-privileged attacker with network access via HTTP to compromise the system. Successful exploitation requires human interaction from someone other than the attacker and can impact additional products apart from Primavera Gateway.

What is CVE-2023-21888?

The vulnerability allows unauthorized access to update, insert, or delete some Primavera Gateway data, as well as unauthorized read access to a subset of accessible data. The CVSS 3.1 Base Score is 5.4, indicating confidentiality and integrity impacts.

The Impact of CVE-2023-21888

If successfully exploited, this vulnerability can result in unauthorized access to sensitive data within Primavera Gateway, potentially compromising the confidentiality and integrity of the system.

Technical Details of CVE-2023-21888

This section provides more in-depth information regarding the vulnerability, affected systems, and how the exploitation can occur.

Vulnerability Description

The vulnerability allows a low-privileged attacker to compromise Primavera Gateway via HTTP, leading to unauthorized access and potential data manipulation within the system.

Affected Systems and Versions

The affected product is Primavera Gateway by Oracle Corporation, with specific versions impacted: 18.8.0-18.8.15, 19.12.0-19.12.15, 20.12.0-20.12.10, and 21.12.0-21.12.8.

Exploitation Mechanism

Successful exploitation of this vulnerability requires network access through HTTP and human interaction. Attackers can gain unauthorized access to data within Primavera Gateway, potentially leading to data breaches and unauthorized data modifications.

Mitigation and Prevention

To safeguard systems from CVE-2023-21888, immediate steps should be taken, and long-term security practices should be implemented to prevent future exploits.

Immediate Steps to Take

Immediate actions include reviewing and applying security patches provided by Oracle, restricting network access, and monitoring for any suspicious activities within Primavera Gateway.

Long-Term Security Practices

Implementing robust access control measures, conducting regular security audits, and fostering a security-aware organizational culture can enhance the overall security posture of the systems.

Patching and Updates

Regularly updating Primavera Gateway to the latest secure versions, staying informed about security advisories from Oracle, and promptly applying patches can help mitigate the risk of exploitation associated with CVE-2023-21888.