Can you explain this vulnerability to me?

This vulnerability is a Missing Authorization issue in the CLI of Juniper Networks Junos OS and Junos OS Evolved. It allows a local user with low privileges to execute the CLI command 'show mgd' with specific arguments, which exposes sensitive information that they should not normally have access to.

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How can this vulnerability impact me? :

The impact of this vulnerability is that a local user with low privileges can read sensitive information by exploiting the missing authorization in the CLI command. This could lead to unauthorized disclosure of sensitive data within the affected Junos OS or Junos OS Evolved systems.

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How can this vulnerability be detected on my network or system? Can you suggest some commands?

This vulnerability can be detected by checking if a local user with low privileges is able to execute the CLI command 'show mgd' with specific arguments that expose sensitive information.

To detect the vulnerability, you can attempt to run the command 'show mgd' with various arguments from a low-privilege user account on affected Junos OS or Junos OS Evolved versions.

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What immediate steps should I take to mitigate this vulnerability?

Immediate mitigation steps include upgrading Junos OS or Junos OS Evolved to a fixed version that addresses this vulnerability.

• For Junos OS, upgrade to versions 22.4R3-S8 or later, 23.2R2-S6 or later, 23.4R2-S6 or later, 24.2R2-S4 or later, 24.4R2-S1 or later, or 25.2R1-S2 / 25.2R2 or later.
• For Junos OS Evolved, upgrade to versions 23.2R2-S6-EVO or later, 23.4R2-S6-EVO or later, 24.2R2-S4-EVO or later, 24.4R2-S1-EVO or later, or 25.2R2-EVO or later.

Until upgrades can be applied, restrict local user access to the CLI or limit the ability of low-privilege users to execute the 'show mgd' command with sensitive arguments.

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