An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series and EX Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).
If a specific malformed LACP packet is received by a QFX5000 Series, or an EX4400, EX4100 or EX4650 Series device, an LACP flap will occur resulting in traffic loss.
This issue affects Junos OS on QFX5000 Series, and on EX4400, EX4100 or EX4650 Series:
* 20.4 versions from
20.4R3-S4
before 20.4R3-S8,
* 21.2 versions from
21.2R3-S2
before 21.2R3-S6,
* 21.4 versions from
21.4R2
before 21.4R3-S4,
* 22.1 versions from
22.1R2
before 22.1R3-S3,
* 22.2 versions before 22.2R3-S1,
* 22.3 versions before 22.3R2-S2, 22.3R3,
* 22.4 versions before 22.4R2-S1, 22.4R3.
If a specific malformed LACP packet is received by a QFX5000 Series, or an EX4400, EX4100 or EX4650 Series device, an LACP flap will occur resulting in traffic loss.
This issue affects Junos OS on QFX5000 Series, and on EX4400, EX4100 or EX4650 Series:
* 20.4 versions from
20.4R3-S4
before 20.4R3-S8,
* 21.2 versions from
21.2R3-S2
before 21.2R3-S6,
* 21.4 versions from
21.4R2
before 21.4R3-S4,
* 22.1 versions from
22.1R2
before 22.1R3-S3,
* 22.2 versions before 22.2R3-S1,
* 22.3 versions before 22.3R2-S2, 22.3R3,
* 22.4 versions before 22.4R2-S1, 22.4R3.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-28309 | An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series and EX Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). If a specific malformed LACP packet is received by a QFX5000 Series, or an EX4400, EX4100 or EX4650 Series device, an LACP flap will occur resulting in traffic loss. This issue affects Junos OS on QFX5000 Series, and on EX4400, EX4100 or EX4650 Series: * 20.4 versions from 20.4R3-S4 before 20.4R3-S8, * 21.2 versions from 21.2R3-S2 before 21.2R3-S6, * 21.4 versions from 21.4R2 before 21.4R3-S4, * 22.1 versions from 22.1R2 before 22.1R3-S3, * 22.2 versions before 22.2R3-S1, * 22.3 versions before 22.3R2-S2, 22.3R3, * 22.4 versions before 22.4R2-S1, 22.4R3. |
Fixes
Solution
The following software releases have been updated to resolve this specific issue: 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 21.4R3-S4, 22.1R3-S3, 22.2R3-S1, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3, 23.2R1, and all subsequent releases.
Workaround
There are no known workarounds for this issue.
References
History
No history.
Status: PUBLISHED
Assigner: juniper
Published:
Updated: 2024-08-02T01:32:07.381Z
Reserved: 2024-03-26T23:06:17.993Z
Link: CVE-2024-30388
Updated: 2024-08-02T01:32:07.381Z
Status : Awaiting Analysis
Published: 2024-04-12T16:15:38.093
Modified: 2024-11-21T09:11:49.483
Link: CVE-2024-30388
No data.
OpenCVE Enrichment
Updated: 2025-07-12T23:06:39Z
EUVD