XSS in Palo Alto Networks Pan-Os
CVE-2021-3052
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (48.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Palo Alto Networks Pan-Os — versions 10.1.*, 9.0, 8.1
- Paloaltonetworks Pan-Os
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2021-3052 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3052?
- CVE-2021-3052 is a high-severity vulnerability in Palo Alto Networks Pan-Os, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2021-09-08.
- How severe is CVE-2021-3052?
- High severity. CVSS v3 base score is 8.0 out of 10.