CVE-2021-3043: palo alto networks prisma cloud compute Cross-site Scripting
Vulnerability summary
CVE-2021-3043 is a high (CVSS 7.5) Cross-site Scripting vulnerability in palo alto networks prisma cloud compute. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.6% of scored vulnerabilities.
Timeline
- 15-07-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.63% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Palo alto networks1 product
- prisma cloud compute≥ 21.04, < 21.04.439 | ≥ 20.12, < 20.12.552
Paloaltonetworks1 product
- prisma_cloud≥ 20.12, < 20.12.552 | ≥ 21.04, < 21.04.439
2 vendors · 2 products