CVE-2021-3055
Summary
| CVE | CVE-2021-3055 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-09-08 17:15:00 UTC |
| Updated | 2021-09-15 19:04:00 UTC |
| Description | An improper restriction of XML external entity (XXE) reference vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system and send a specifically crafted request to the firewall that causes the service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10; PAN-OS 10.0 versions earlier than PAN-OS 10.0.6. This issue does not affect Prisma Access. |
Risk And Classification
Problem Types: CWE-611
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Paloaltonetworks | Pan-os | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| CVE-2021-3055 PAN-OS: XML External Entity (XXE) Reference Vulnerability in the PAN-OS Web Interface | CONFIRM | security.paloaltonetworks.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: This issue was found by a customer of Palo Alto Networks during a security review.
Legacy QID Mappings
- 730190 Palo Alto Networks PAN-OS XML External Entity (XXE) Reference Vulnerability in the PAN-OS Web Interface (PAN-166241)