CVE-2026-33776

Summary

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information.

A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive information.

This issue affects

Junos OS:

  • all versions before 22.4R3-S8,
  • 23.2 versions before 23.2R2-S6,
  • 23.4 versions before 23.4R2-S6,
  • 24.2 versions before 24.2R2-S4,
  • 24.4 versions before 24.4R2-S1,
  • 25.2 version before 25.2R1-S2, 25.2R2;

Junos OS Evolved:

  • all versions before 23.2R2-S6-EVO,
  • 23.4 version before 23.4R2-S6-EVO,
  • 24.2 version before 24.2R2-S4-EVO,
  • 24.4 versions before 24.4R2-S1-EVO,
  • 25.2 versions before 25.2R2-EVO.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS0 < 22.4R3-S8affected
Juniper NetworksJunos OS23.2 < 23.2R2-S6affected
Juniper NetworksJunos OS23.4 < 23.4R2-S6affected
Juniper NetworksJunos OS24.2 < 24.2R2-S4affected
Juniper NetworksJunos OS24.4 < 24.4R2-S1affected
Juniper NetworksJunos OS25.2 < 25.2R1-S2, 25.2R2affected
Juniper NetworksJunos OS Evolved0 < 23.2R2-S6-EVOaffected
Juniper NetworksJunos OS Evolved23.4 < 23.4R2-S6-EVOaffected
Juniper NetworksJunos OS Evolved24.2 < 24.2R2-S4-EVOaffected
Juniper NetworksJunos OS Evolved24.4 < 24.4R2-S1-EVOaffected
Juniper NetworksJunos OS Evolved25.2 < 25.2R2-EVOaffected

Weaknesses

  • CWE-862: CWE-862 Missing Authorization

Workarounds

Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators.

Utilize CLI authorization to disallow execution of the 'show mgd' commands.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References