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Medium severity6.5NVD Advisory· Published Apr 12, 2024· Updated Jun 17, 2026

CVE-2024-30388

CVE-2024-30388

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

45
  • Juniper Networks/Junos43 versions
    cpe:2.3:o:juniper:junos:20.4:r3-s4:*:*:*:*:*:*+ 42 more
    • cpe:2.3:o:juniper:junos:20.4:r3-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r3-s5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r3-s6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r3-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r3-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r3-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r3-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r3-s5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r3-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r3-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r3-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r3-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.2:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.2:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.2:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.2:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.3:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.3:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.3:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.3:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.3:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.3:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.3:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.4:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.4:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.4:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.4:r3:*:*:*:*:*:*
    • (no CPE)range: 20.4R3-S4 to 20.4R3-S7, 21.2R3-S2 to 21.2R3-S5, 21.4R2 to 21.4R3-S3, 22.1R2 to 22.1R3-S2, 22.2 to 22.2R3-S0, 22.3 to 22.3R2-S1, 22.3R3, 22.4 to 22.4R2-S0, 22.4R3
    • (no CPE)range: 20.4R3-S4
  • Juniper Networks/QFX5000 Seriesllm-fuzzy
    Range: 20.4R3-S4 to 20.4R3-S7, 21.2R3-S2 to 21.2R3-S5, 21.4R2 to 21.4R3-S3, 22.1R2 to 22.1R3-S2, 22.2 to 22.2R3-S0, 22.3 to 22.3R2-S1, 22.3R3, 22.4 to 22.4R2-S0, 22.4R3
  • Juniper Networks/EX Seriesllm-fuzzy
    Range: 20.4R3-S4 to 20.4R3-S7, 21.2R3-S2 to 21.2R3-S5, 21.4R2 to 21.4R3-S3, 22.1R2 to 22.1R3-S2, 22.2 to 22.2R3-S0, 22.3 to 22.3R2-S1, 22.3R3, 22.4 to 22.4R2-S0, 22.4R3

Patches

Vulnerability mechanics

References

2

News mentions

0

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