CVE-2021-3052

Summary

A reflected cross-site scripting (XSS) vulnerability in the Palo Alto Network PAN-OS web interface enables an authenticated network-based attacker to mislead another authenticated PAN-OS administrator to click on a specially crafted link that performs arbitrary actions in the PAN-OS web interface as the targeted authenticated administrator. This issue impacts: PAN-OS 8.1 versions earlier than 8.1.20; PAN-OS 9.0 versions earlier than 9.0.14; PAN-OS 9.1 versions earlier than 9.1.10; PAN-OS 10.0 versions earlier than 10.0.2. This issue does not affect Prisma Access.

Affected Software

VendorProductVersion RangeStatus
Palo Alto NetworksPAN-OS10.1.*unaffected
Palo Alto NetworksPAN-OS9.0 < 9.0.14affected
Palo Alto NetworksPAN-OS8.1 < 8.1.20affected
Palo Alto NetworksPAN-OS9.1 < 9.1.10affected
Palo Alto NetworksPAN-OS10.0 < 10.0.2affected

Weaknesses

  • CWE-79: CWE-79 Cross-site Scripting (XSS)

Workarounds

This issue requires the attacker to have authenticated access to the PAN-OS web interface. You can mitigate the impact of this issue by following best practices for securing the PAN-OS web interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation at https://docs.paloaltonetworks.com/best-practices.

ADP Enrichment

CVE Program Container

Additional References

References