Home/CVE/A reflected cross-site scripting (XSS) vulnerability in the Palo Alto Network PAN-OS web interface enables an authentica
CVE

CVE-2021-3052

A reflected cross-site scripting (XSS) vulnerability in the Palo Alto Network PAN-OS web interface enables an authentica

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.

HIGH · CVSS 8 EPSS 0.00634
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

4
paloaltonetworks pan-os>= 8.1.0 and < 8.1.20
paloaltonetworks pan-os>= 9.0.0 and < 9.0.14
paloaltonetworks pan-os>= 9.1.0 and < 9.1.10
paloaltonetworks pan-os>= 10.0.0 and < 10.0.2
▣

Scoring & Timeline

8
HIGH · CVSS v3.1 · psirt@paloaltonetworks.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Sep 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.paloaltonetworks.com/CVE-2021-3052Vendor Advisory
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