Junos OS: QFX5000 Series and EX4000 Series: Denial of Service (DoS) on a large scale VLAN due to PFE hogging
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Juniper Networks | Junos OS | unaffected |
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Configuration 1 [-]
| AND |
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No data.
No data available yet.
Vendor Solution
The following software releases have been updated to resolve this specific issue: Junos OS 21.2R3-S5, 21.3R3-S5, 21.4R3-S4, 22.1R3-S3, 22.2R3-S1, 22.3R2-S2, 22.3R3, 22.4R2, 23.2R1, and all subsequent releases.
Vendor Workaround
There are no known workarounds for this issue.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-48550 | An Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all Junos OS QFX5000 Series and EX4000 Series platforms, when a high number of VLANs are configured, a specific DHCP packet will cause PFE hogging which will lead to dropping of socket connections. This issue affects: Juniper Networks Junos OS on QFX5000 Series and EX4000 Series * 21.1 versions prior to 21.1R3-S5; * 21.2 versions prior to 21.2R3-S5; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S1; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2. This issue does not affect Juniper Networks Junos OS versions prior to 21.1R1 |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.616% probability within 30 days)
| Link | Providers |
|---|---|
| https://supportportal.juniper.net/JSA73155 |
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Juniper Networks
Juniper Networks junos Os |
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| CPEs | cpe:2.3:o:juniper_networks:junos_os:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Juniper Networks
Juniper Networks junos Os |
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| Metrics |
ssvc
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