CVE-2021-3031
Summary
| CVE | CVE-2021-3031 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-01-13 18:15:00 UTC |
| Updated | 2022-10-27 12:51:00 UTC |
| Description | Padding bytes in Ethernet packets on PA-200, PA-220, PA-500, PA-800, PA-2000 Series, PA-3000 Series, PA-3200 Series, PA-5200 Series, and PA-7000 Series firewalls are not cleared before the data frame is created. This leaks a small amount of random information from the firewall memory into the Ethernet packets. An attacker on the same Ethernet subnet as the PAN-OS firewall is able to collect potentially sensitive information from these packets. This issue is also known as Etherleak and is detected by security scanners as CVE-2003-0001. This issue impacts: PAN-OS 8.1 version earlier than PAN-OS 8.1.18; PAN-OS 9.0 versions earlier than PAN-OS 9.0.12; PAN-OS 9.1 versions earlier than PAN-OS 9.1.5. |
Risk And Classification
Problem Types: CWE-212
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Paloaltonetworks | Pa-200 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-200 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-200 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-2020 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-2020 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-2020 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-2050 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-2050 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-2050 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-220 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-220 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-220 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3020 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3020 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3020 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3050 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3050 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3050 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3060 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3060 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3060 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3220 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3220 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3220 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3250 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3250 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3250 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3260 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3260 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-3260 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-500 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-500 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-500 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-5200 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-5200 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-5200 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-800 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-800 | - | All | All | All |
| Hardware | Paloaltonetworks | Pa-800 | - | All | All | All |
| Operating System | Paloaltonetworks | Pan-os | All | All | All | All |
| Operating System | Paloaltonetworks | Pan-os | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| CVE-2021-3031 PAN-OS: Information exposure in Ethernet data frame construction (Etherleak) | CONFIRM | security.paloaltonetworks.com | Vendor Advisory |
| 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
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