What’s Vulnerable › Vulnerabilities

CVE-2024-30409: Junos OS and Junos OS Evolved: Higher CPU consumption on routing engine leads to Denial of Service (DoS).

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-12 · updated 2026-06-17
• Weakness: CWE-754

Description

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.

Affected products

• Juniper Junos OS: 22.1, 22.1-r1, 22.1-r1-s1
• Juniper Networks Junos OS Evolved: 22.1, 22.1-r1, 22.1-r1-s1

References

• https://supportportal.juniper.net/JSA79099
• https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
• https://supportportal.juniper.net/JSA79099
• https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

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