CVE-2021-3053
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.
Related CPE's
CvssV3 impact
Version | 3.1 |
VectorString | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
AttackVector | NETWORK |
AttackComplexity | LOW |
PrivilegesRequired | NONE |
UserInteraction | NONE |
Scope | UNCHANGED |
ConfidentialityImpact | NONE |
IntegrityImpact | NONE |
AvailabilityImpact | HIGH |
BaseScore | 7.5 |
BaseSeverity | HIGH |
CvssV2 impact
AccessComplexity | MEDIUM |
ConfidentialityImpact | NONE |
AvailabilityImpact | COMPLETE |
IntegrityImpact | NONE |
BaseScore | 7.1 |
VectorString | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Version | 2.0 |
AccessVector | NETWORK |
Authentication | NONE |