CVE-2021-33708 : Security Advisory and Response

A detailed overview of CVE-2021-33708 affecting Kyma by SAP SE.

Understanding CVE-2021-33708

This CVE involves insufficient input validation in Kyma, allowing authenticated users to escalate privileges.

What is CVE-2021-33708?

CVE-2021-33708 is a vulnerability in Kyma by SAP SE that enables authenticated users to pass a Header of their choice, leading to privilege escalation.

The Impact of CVE-2021-33708

With a CVSS base score of 7.6 (High Severity), this vulnerability can result in unauthorized privilege escalation by authenticated users.

Technical Details of CVE-2021-33708

Exploring the technical aspects and impact of CVE-2021-33708.

Vulnerability Description

The vulnerability in Kyma allows authenticated users to bypass input validation and gain elevated privileges by passing a chosen Header.

Affected Systems and Versions

Kyma versions below 1.24 are affected by this vulnerability, putting instances at risk of privilege escalation.

Exploitation Mechanism

Attackers with authenticated access can exploit this vulnerability by leveraging insufficient input validation to manipulate Headers and elevate privileges.

Mitigation and Prevention

Guidelines for addressing and preventing CVE-2021-33708.

Immediate Steps to Take

Immediately update Kyma instances to versions equal to or above 1.24 to mitigate the risk of privilege escalation through Header manipulation.

Long-Term Security Practices

Enforce rigorous input validation processes, conduct regular security audits, and educate users on secure Header usage to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by SAP SE to safeguard Kyma instances against potential exploits.