CVE-2021-3052

PAN-OS: Reflected Cross-Site Scripting (XSS) in Web Interface

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una vulnerabilidad de tipo cross-site scripting (XSS) reflejado en la interfaz web de PAN-OS de Palo Alto Network permite a un atacante autenticado basado en la red engañar a otro administrador autenticado de PAN-OS para que haga clic en un enlace especialmente diseñado que realice acciones arbitrarias en la interfaz web de PAN-OS como el administrador autenticado objetivo. Este problema afecta a: PAN-OS versión 8.1 anteriores a 8.1.20; PAN-OS versión 9.0 anteriores a 9.0.14; PAN-OS versión 9.1 anteriores a 9.1.10; PAN-OS versión 10.0 anteriores a 10.0.2. Este problema no afecta a Prisma Access

*Credits: Palo Alto Networks thanks Cristian Mocanu and Dan Marin of Deloitte for discovering and reporting this issue.

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2021-09-08 CVE Published
2023-04-01 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://security.paloaltonetworks.com/CVE-2021-3052	2021-09-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 8.1.0 < 8.1.20 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 8.1.0 < 8.1.20"		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 9.0.0 < 9.0.14 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 9.0.0 < 9.0.14"		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 9.1.0 < 9.1.10 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 9.1.0 < 9.1.10"		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 10.0.0 < 10.0.2 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 10.0.0 < 10.0.2"		-		Affected