Vulnerability Details CVE-2024-21595
An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).
If an attacker sends high rate of specific ICMP traffic to a device with VXLAN configured, this causes a deadlock of the PFE and results in the device becoming unresponsive. A manual restart will be required to recover the device.
This issue only affects EX4100, EX4400, EX4600, QFX5000 Series devices.
This issue affects:
Juniper Networks Junos OS
* 21.4R3 versions earlier than 21.4R3-S4;
* 22.1R3 versions earlier than 22.1R3-S3;
* 22.2R2 versions earlier than 22.2R3-S1;
* 22.3 versions earlier than 22.3R2-S2, 22.3R3;
* 22.4 versions earlier than 22.4R2;
* 23.1 versions earlier than 23.1R2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 36.3%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2024-21595
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cpe:2.3:h:juniper:ex4100:-
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cpe:2.3:h:juniper:ex4400:-
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cpe:2.3:h:juniper:ex4600:-
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cpe:2.3:h:juniper:qfx5100-96s:-
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cpe:2.3:h:juniper:qfx5100:-
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cpe:2.3:h:juniper:qfx5110:-
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cpe:2.3:h:juniper:qfx5120:-
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cpe:2.3:h:juniper:qfx5130:-
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cpe:2.3:h:juniper:qfx5200-32c:-
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cpe:2.3:h:juniper:qfx5200-48y:-
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cpe:2.3:h:juniper:qfx5200:-
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cpe:2.3:h:juniper:qfx5210-64c:-
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cpe:2.3:h:juniper:qfx5210:-
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cpe:2.3:h:juniper:qfx5220:-
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cpe:2.3:h:juniper:qfx5700:-
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cpe:2.3:o:juniper:junos:21.4
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cpe:2.3:o:juniper:junos:22.1
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cpe:2.3:o:juniper:junos:22.2
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cpe:2.3:o:juniper:junos:22.3
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cpe:2.3:o:juniper:junos:22.4
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cpe:2.3:o:juniper:junos:23.1