CVE-2024-39533

Summary

An Unimplemented or Unsupported Feature in the UI vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series allows an unauthenticated, network-based attacker to cause a minor integrity impact to downstream networks.If one or more of the following match conditions

ip-source-address ip-destination-address arp-type

which are not supported for this type of filter, are used in an ethernet switching filter, and then this filter is applied as an output filter, the configuration can be committed but the filter will not be in effect.

This issue affects Junos OS on QFX5000 Series and EX4600 Series:

  • All version before 21.2R3-S7, 
  • 21.4 versions before 21.4R3-S6,
  • 22.1 versions before 22.1R3-S5,
  • 22.2 versions before 22.2R3-S3,
  • 22.3 versions before 22.3R3-S2, 
  • 22.4 versions before 22.4R3,
  • 23.2 versions before 23.2R2.

Please note that the implemented fix ensures these unsupported match conditions cannot be committed anymore.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS0 < 21.2R3-S7affected
Juniper NetworksJunos OS21.4 < 21.4R3-S6affected
Juniper NetworksJunos OS22.1 < 22.1R3-S5affected
Juniper NetworksJunos OS22.2 < 22.2R3-S3affected
Juniper NetworksJunos OS22.3 < 22.3R3-S2affected
Juniper NetworksJunos OS22.4 < 22.4R3affected
Juniper NetworksJunos OS23.2 < 23.2R2affected

Weaknesses

  • CWE-447: CWE-447 Unimplemented or Unsupported Feature in UI

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