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Medium severity5.9NVD Advisory· Published Apr 12, 2024· Updated Jun 17, 2026

CVE-2024-30401

CVE-2024-30401

Description

An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of Juniper Networks Junos OS on MX Series with MPC10E, MPC11, MX10K-LC9600 line cards, MX304, and EX9200-15C, may allow an attacker to exploit a stack-based buffer overflow, leading to a reboot of the FPC.

Through code review, it was determined that the interface definition code for aftman could read beyond a buffer boundary, leading to a stack-based buffer overflow. This issue affects Junos OS on MX Series and EX9200-15C:

  • from 21.2 before 21.2R3-S1,
  • from 21.4 before 21.4R3,
  • from 22.1 before 22.1R2,
  • from 22.2 before 22.2R2;

This issue does not affect:

  • versions of Junos OS prior to 20.3R1;
  • any version of Junos OS 20.4.

AI Insight

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

Affected products

25
  • Juniper Networks/Junos25 versions
    cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:*+ 24 more
    • cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:*
    • 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:22.1:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:*
    • 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:*:*:*:*:*:*
    • (no CPE)range: from 21.2 before 21.2R3-S1, from 21.4 before 21.4R3, from 22.1 before 22.1R2, from 22.2 before 22.2R2
    • (no CPE)range: 21.2

Patches

Vulnerability mechanics

References

2

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