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TI-2024-20137 Aliases CVE-2024-30409GHSA-474g-v543-635g

Junos OS and Junos OS Evolved: Higher CPU consumption on routing engine leads to Denial of Service (DoS).

Priority LOW 37CWE-754Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

An Improper Check for Unusual or Exceptional Conditions vulnerability in telemetry processing of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated attacker to cause the forwarding information base telemetry daemon (fibtd) to crash, leading to a limited Denial of Service.  This issue affects Juniper Networks Junos OS: * from 22.1 before 22.1R1-S2, 22.1R2. Junos OS Evolved:  * from 22.1 before 22.1R1-S2-EVO, 22.1R2-EVO.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00478 41st percentileScored 2026-11-07
Fix Fixed Junos OS (Juniper Networks): 22.1R1-S2, 22.1R2Junos OS Evolved (Juniper Networks): 22.1R1-S2-EVO, 22.1R2-EVO

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JuniperJunos OS22.1 to before 22.1R1-S2, 22.1R222.1R1-S2, 22.1R2Patch availableCNA
JuniperJunos OS Evolved22.1-EVO to before 22.1R1-S2-EVO, 22.1R2-EVO22.1R1-S2-EVO, 22.1R2-EVOPatch availableCNA
  • Junos OS VendorJuniper Affected 22.1 to before 22.1R1-S2, 22.1R2 Fixed in 22.1R1-S2, 22.1R2 Patch available CNA
  • Junos OS Evolved VendorJuniper Affected 22.1-EVO to before 22.1R1-S2-EVO, 22.1R2-EVO Fixed in 22.1R1-S2-EVO, 22.1R2-EVO Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:juniper:junos:22.1:-:*:*:*:*:*:*22.1VulnerableJuniper
cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:*22.1 r1VulnerableJuniper
cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:*22.1 r1-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:-:*:*:*:*:*:*22.1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:*22.1 r1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1:*:*:*:*:*:*22.1 r1-s1VulnerableJuniper
  • cpe:2.3:o:juniper:junos:22.1:-:*:*:*:*:*:* Versions 22.1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:* Versions 22.1 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:* Versions 22.1 r1-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:-:*:*:*:*:*:* Versions 22.1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:* Versions 22.1 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1:*:*:*:*:*:* Versions 22.1 r1-s1 Vulnerable ·Juniper

Remediation

  • Fix · CNA Junos OS (Juniper Networks) Fixed in 22.1R1-S2, 22.1R2
  • Fix · CNA Junos OS Evolved (Juniper Networks) Fixed in 22.1R1-S2-EVO, 22.1R2-EVO

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-30409
  2. 2026-10-03 Alias added: GHSA-474g-v543-635g

References

Advisory 1

Other 1

  • TI-2023-18638 Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01585 Out of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) services KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
  • TI-2025-15550 Junos OS: An local attacker with shell access can execute arbitrary code KEVCVSS 4.0MEDIUM 6.7
  • TI-2023-18644 Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files KEVCVSS 3.1MEDIUM 5.3
  • TI-2023-18640 Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files KEVCVSS 3.1MEDIUM 5.3
See all 792 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences