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CVE PROGRAM SOURCE RECORD6.7 Medium

CVE-2025-21590

Junos OS: An local attacker with shell access can execute arbitrary code

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
juniper

Description

An Improper Isolation or Compartmentalization vulnerability in the kernel of Juniper Networks Junos OS allows a local attacker with high privileges to compromise the integrity of the device. A local attacker with access to the shell is able to inject arbitrary code which can compromise an affected device. This issue is not exploitable from the Junos CLI. This issue affects Junos OS:  * All versions before 21.2R3-S9, * 21.4 versions before 21.4R3-S10,  * 22.2 versions before 22.2R3-S6,  * 22.4 versions before 22.4R3-S6,  * 23.2 versions before 23.2R2-S3,  * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R1-S2, 24.2R2.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS

Default version status: unaffected

  • 0 to < 21.2R3-S9affected
  • 21.4 to < 21.4R3-S10affected
  • 22.2 to < 22.2R3-S6affected
  • 22.4 to < 22.4R3-S6affected
  • 23.2 to < 23.2R2-S3affected
  • 23.4 to < 23.4R2-S4affected
  • 24.2 to < 24.2R1-S2, 24.2R2affected

References