XSS in Palo Alto Networks Prisma Cloud Compute

CVE-2021-3043

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-3043?
CVE-2021-3043 is a high-severity vulnerability in Palo Alto Networks Prisma Cloud Compute, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2021-07-15.
How severe is CVE-2021-3043?
High severity. CVSS v3 base score is 7.5 out of 10.