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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (48.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Palo Alto Networks Prisma Cloud Compute — versions 21.04, 20.12
- Paloaltonetworks Prisma Cloud
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2021-3043 (Vendor Advisory)
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.