Cross-site scripting in Palo Alto PAN-OS



Published: 2021-09-08
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3052
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Palo Alto PAN-OS
Operating systems & Components / Operating system

Vendor Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU56409

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-3052

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

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the Palo Alto Network PAN-OS web interface. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 10.0.0 - 10.0.1, 9.1 - 9.1.9, 9.0 - 9.0.13, 8.1 - 8.1.19


CPE2.3 External links

http://security.paloaltonetworks.com/CVE-2021-3052

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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