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CVE-2026-33802

Junos OS: EX Series: Unauthorized users can execute service-impacting CLI command PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Juniper Networks / Junos OSaffected 23.2R2 before 23.2R2-S6; affected 23.4 before 23.4R2-S8; affected 24.2 before 24.2R2-S4; affected 24.4 before 24.4R2-S3; affected 25.2 before 25.2R2; affected 25.4 before 25.4R1-S1

CWE

CWE-862

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.