Vulnerability · Published Sep 8, 2021 · Assigned by palo_alto

CVE-2021-3052PAN-OS: Reflected Cross-Site Scripting (XSS) in Web Interface

High 8.0

In plain English

A high-severity cross-site scripting in PAN-OS from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High

Exploit odds (30 days)0.6%top 49.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
Palo Alto Networks	PAN-OS	9.0 – before 9.0.148.1 – before 8.1.209.1 – before 9.1.1010.0 – before 10.0.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References

https://security.paloaltonetworks.com/CVE-2021-3052 x_refsource_MISC