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Vulnerability CVE-2021-3053
Published: 2021-09-08
Description: |
An improper handling of exceptional conditions vulnerability exists in the Palo Alto Networks PAN-OS dataplane that enables an unauthenticated network-based attacker to send specifically crafted traffic through 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 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.5. This issue does not affect Prisma Access. |
Type:
CWE-755
CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:C)
CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
7.1/10 |
6.9/10 |
8.6/10 |
Exploit range |
Attack complexity |
Authentication |
Remote |
Medium |
No required |
Confidentiality impact |
Integrity impact |
Availability impact |
None |
None |
Complete |
References: |
https://security.paloaltonetworks.com/CVE-2021-3053
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