CVE-2021-3043 Prisma Cloud: Cross-Site Scripting (XSS) Vulnerability in Prisma Cloud Compute Web Console
Remote attackers can execute arbitrary JavaScript in the Prisma Cloud Compute web console via reflected XSS, potentially compromising administrator sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-3043?
CVE-2021-3043 is a high-severity cross-site scripting vulnerability in Palo Alto Networks Prisma Cloud Compute, published on 15 Jul 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A reflected cross-site scripting (XSS) vulnerability exists in the Prisma Cloud Compute web console that enables a remote attacker to execute arbitrary JavaScript code in the browser-based web console while an authenticated administrator is using that web interface. Prisma Cloud Compute SaaS versions were automatically upgraded to the fixed release. No additional action is required for these instances. This issue impacts: Prisma Cloud Compute 20.12 versions earlier than Prisma Cloud Compute 20.12.552; Prisma Cloud Compute 21.04 versions earlier than Prisma Cloud Compute 21.04.439.
Weakness: CWE-79
Which versions are affected by CVE-2021-3043?
It affects 1 product.
Products include Paloaltonetworks Prisma Cloud.
How do I fix CVE-2021-3043?
No fix has been published for CVE-2021-3043 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-3043 being exploited?
There is no known exploitation of CVE-2021-3043 in the wild and no public exploit code.
Other vulnerabilities in Palo Alto Networks Prisma Cloud Compute
- CVE-2021-3033 Prisma Cloud Compute: SAML Authentication Bypass Vulnerability in Console
- CVE-2024-5906 Prisma Cloud Compute: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface
- CVE-2021-3039 Prisma Cloud Compute: User role authorization secret for Console leaked through log file export
Sources
Also known as GHSA-789j-5m28-p6v3.