Vulnerability Details CVE-2021-3053
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 7.1
References
Products affected by CVE-2021-3053
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cpe:2.3:o:paloaltonetworks:pan-os:10.0.0
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cpe:2.3:o:paloaltonetworks:pan-os:10.0.1
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cpe:2.3:o:paloaltonetworks:pan-os:10.0.2
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cpe:2.3:o:paloaltonetworks:pan-os:10.0.3
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cpe:2.3:o:paloaltonetworks:pan-os:10.0.4
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.0
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.1
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.10
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.11
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.12
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.13
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.14
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.15
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.16
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.17
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.18
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.19
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.2
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.3
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.4
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.5
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.6
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.7
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.8
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cpe:2.3:o:paloaltonetworks:pan-os:8.1.9
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.0
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.1
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.10
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.11
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.12
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.13
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.2
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.3
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.4
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.5
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.6
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.7
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.8
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cpe:2.3:o:paloaltonetworks:pan-os:9.0.9
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.0
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.1
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.2
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.3
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.4
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.5
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.6