Vulnerability Details CVE-2026-33802
A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series allows a local, authenticated attacker to cause a Denial-of-Service (DoS).
On EX2300, EX4000, EX4100, EX4300-MP (Multigigabit) and EX4400 switches, an authenticated, local attacker with no specific permissions or class can execute a specific, privileged CLI 'request' command which will cause complete traffic impact until the system automatically recovers.
This issue affects Junos OS on EX2300, EX4000, EX4100, EX4300-MP (Multigigabit) and EX4400:
* 23.2R2 versions before 23.2R2-S6,
* 23.4 versions before 23.4R2-S8,
* 24.2 versions before 24.2R2-S4,
* 24.4 versions before 24.4R2-S3,
* 25.2 versions before 25.2R2,
* 25.4 versions before 25.4R1-S1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.4%
CVSS Severity
CVSS v3 Score 5.5
References
Products affected by CVE-2026-33802
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cpe:2.3:h:juniper:ex2300:-
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cpe:2.3:h:juniper:ex4000:-
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cpe:2.3:h:juniper:ex4100:-
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cpe:2.3:h:juniper:ex4300-mp:-
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cpe:2.3:h:juniper:ex4400:-
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cpe:2.3:o:juniper:junos:23.2
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cpe:2.3:o:juniper:junos:23.4
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cpe:2.3:o:juniper:junos:24.2
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cpe:2.3:o:juniper:junos:24.4
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cpe:2.3:o:juniper:junos:25.2
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cpe:2.3:o:juniper:junos:25.4