CVE-2026-33802
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Juniper Networks | Junos OS | 23.2R2 < 23.2R2-S6 | affected |
| Juniper Networks | Junos OS | 23.4 < 23.4R2-S8 | affected |
| Juniper Networks | Junos OS | 24.2 < 24.2R2-S4 | affected |
| Juniper Networks | Junos OS | 24.4 < 24.4R2-S3 | affected |
| Juniper Networks | Junos OS | 25.2 < 25.2R2 | affected |
| Juniper Networks | Junos OS | 25.4 < 25.4R1-S1 | affected |
Weaknesses
- CWE-862: CWE-862 Missing Authorization
Workarounds
There are no known workarounds for this issue. To reduce the risk of exploitation use command authorization to limit access to 'request' commands.
References
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