Published: 08/09/2021 Updated: 15/09/2021

CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 632

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

An improper handling of exceptional conditions vulnerability exists in the Palo Alto Networks PAN-OS dataplane that enables an unauthenticated network-based malicious user 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.

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paloaltonetworks pan-os

CVE-2021-3053 PAN-OS: Exceptional Condition Denial-of-Service (DoS) ...

CWE-755 https://security.paloaltonetworks.com/CVE-2021-3053 https://nvd.nist.gov https://security.paloaltonetworks.com/CVE-2021-3053

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CVE-2021-3053

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