CVE-2021-3053
Last modified
CVE-2021-3053 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.98% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Paloaltonetworks | Pan-Os | >= 8.1.0, < 8.1.20 |
| Paloaltonetworks | Pan-Os | >= 9.0.0, < 9.0.14 |
| Paloaltonetworks | Pan-Os | >= 9.1.0, < 9.1.9 |
| Paloaltonetworks | Pan-Os | >= 10.0.0, < 10.0.5 |
References
- https://security.paloaltonetworks.com/CVE-2021-3053Vendor Advisory
- https://security.paloaltonetworks.com/CVE-2021-3053Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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