CVE-2024-39553

Summary

An Exposure of Resource to Wrong Sphere vulnerability in the sampling service of Juniper Networks Junos OS Evolved allows an unauthenticated network-based attacker to send arbitrary data to the device, which leads msvcsd process to crash with limited availability impacting Denial of Service (DoS) and allows unauthorized network access to the device, potentially impacting system integrity.

This issue only happens when inline jflow is configured.

This does not impact any forwarding traffic. The impacted services MSVCS-DB app crashes momentarily and recovers by itself. 

This issue affects Juniper Networks Junos OS Evolved: 

  • 21.4 versions earlier than 21.4R3-S7-EVO; 
  • 22.2 versions earlier than 22.2R3-S3-EVO;
  • 22.3 versions earlier than 22.3R3-S2-EVO;
  • 22.4 versions earlier than 22.4R3-EVO;
  • 23.2 versions earlier than 23.2R1-S2-EVO, 23.2R2-EVO.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS Evolved21.4-EVO < 21.4R3-S7-EVOaffected
Juniper NetworksJunos OS Evolved22.2-EVO < 22.2R3-S3-EVOaffected
Juniper NetworksJunos OS Evolved22.3-EVO < 22.3R3-S2-EVOaffected
Juniper NetworksJunos OS Evolved22.4-EVO < 22.4R3-EVOaffected
Juniper NetworksJunos OS Evolved23.2-EVO < 23.2R1-S2-EVO, 23.2R2-EVOaffected

Weaknesses

  • CWE-668: CWE-668: Exposure of Resource to Wrong Sphere

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

CVE Program Container

Additional References

References