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Vulnerability CVE-2021-3031
Published: 2021-01-13
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. |
Type:
CWE-200 (Information Exposure)
CVSS2 => (AV:A/AC:L/Au:N/C:P/I:N/A:N)
CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
3.3/10 |
2.9/10 |
6.5/10 |
Exploit range |
Attack complexity |
Authentication |
Adjacent network |
Low |
No required |
Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
None |
None |
References: |
https://security.paloaltonetworks.com/CVE-2021-3031
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