CVE-2021-3052

08.09.2021, 17:15

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.

Cross-site Scripting

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	8 HIGH	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
palo_alto	CNA	8 HIGH	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 73%

Vendor	Product	Version
paloaltonetworks	pan-os	8.1.0 ≤ 𝑥 < 8.1.20
paloaltonetworks	pan-os	9.0.0 ≤ 𝑥 < 9.0.14
paloaltonetworks	pan-os	9.1.0 ≤ 𝑥 < 9.1.10
paloaltonetworks	pan-os	10.0.0 ≤ 𝑥 < 10.0.2

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References

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