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AUSCERT External Security Bulletin Redistribution
Prisma Cloud: Cross-Site Scripting (XSS) Vulnerability in
Prisma Cloud Compute Web Console (CVE-2021-3043)
15 July 2021
AusCERT Security Bulletin Summary
Product: Prisma Cloud Compute
Publisher: Palo Alto
Operating System: Network Appliance
Impact/Access: Cross-site Scripting -- Remote with User Interaction
CVE Names: CVE-2021-3043
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Palo Alto Networks Security Advisories / CVE-2021-3043
CVE-2021-3043 Prisma Cloud: Cross-Site Scripting (XSS) Vulnerability in Prisma
Cloud Compute Web Console
Severity 7.5 . HIGH
Attack Vector NETWORK
Attack Complexity HIGH
Privileges Required NONE
User Interaction REQUIRED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH
A reflected cross-site scripting (XSS) vulnerability exists in the Prisma Cloud
Compute web console that enables a remote attacker to execute arbitrary
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
Prisma Cloud Compute 21.04 versions earlier than Prisma Cloud Compute
Versions Affected Unaffected
Prisma Cloud Compute 21.04 < 21.04.439 >= 21.04.439
Prisma Cloud Compute 20.12 < 20.12.552 >= 20.12.552
CVSSv3.1 Base Score: 7.5 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
Palo Alto Networks is not aware of any malicious exploitation of this issue.
CWE-79 Cross-site Scripting (XSS)
This issue is fixed in Prisma Cloud Compute 20.12.552, Prisma Cloud Compute
21.04.439, and all later Prisma Cloud Compute versions.
Workarounds and Mitigations
There are no known workarounds for this issue.
This issue was found during an internal security review.
2021-07-14 Initial publication
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