CVE-2021-3043 : Security Advisory and Response
Discover the impact of CVE-2021-3043, a reflected cross-site scripting (XSS) vulnerability in Prisma Cloud Compute web console by Palo Alto Networks. Learn about affected versions and mitigation steps.
A reflected cross-site scripting (XSS) vulnerability has been discovered in the Prisma Cloud Compute web console by Palo Alto Networks. This vulnerability allows a remote attacker to execute arbitrary JavaScript code in the web console, impacting certain versions of Prisma Cloud Compute.
Understanding CVE-2021-3043
This section will delve into the details of the CVE-2021-3043 vulnerability.
What is CVE-2021-3043?
The CVE-2021-3043 is a reflected cross-site scripting (XSS) vulnerability found in the Prisma Cloud Compute web console. It enables attackers to run arbitrary JavaScript code on the web console, affecting specific versions of Prisma Cloud Compute.
The Impact of CVE-2021-3043
The vulnerability poses a high severity threat with a CVSS base score of 7.5. It requires no privileges, has a high attack complexity, and can lead to compromised confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2021-3043
In this section, we will explore the technical aspects of CVE-2021-3043.
Vulnerability Description
The XSS vulnerability allows remote attackers to inject and execute malicious JavaScript code in the Prisma Cloud Compute web console, potentially manipulating the console's behavior.
Affected Systems and Versions
Prisma Cloud Compute versions earlier than 20.12.552 for 20.12 and 21.04.439 for 21.04 are vulnerable to this exploit.
Exploitation Mechanism
The vulnerability could be exploited by remote attackers to insert and execute JavaScript code on the web console, compromising the security and functionality of the system.
Mitigation and Prevention
In this section, we will discuss the necessary steps to mitigate and prevent exploitation of CVE-2021-3043.
Immediate Steps to Take
Users are advised to update their Prisma Cloud Compute installations to versions 20.12.552, 21.04.439, or newer to eliminate the vulnerability.
Long-Term Security Practices
Regularly monitor security advisories from Palo Alto Networks and implement security best practices to safeguard against similar vulnerabilities.
Patching and Updates
Ensure timely installation of security patches and updates provided by Palo Alto Networks to address known vulnerabilities.