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CVE Record
[ MEDIUM ]CVE-2025-21590

Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability

Juniper Junos OS contains an improper isolation or compartmentalization vulnerability. This vulnerability could allows a local attacker with high privileges to inject arbitrary code.

cat cve-2025-21590.json
Vendor
Juniper
Product
Junos OS
CVSS
4.4
EPSS (exploit probability)
1.7%
Status
kev
CISA patch-by (BOD 22-01)
Published

Juniper Junos OS contains an improper isolation or compartmentalization vulnerability. This vulnerability could allows a local attacker with high privileges to inject arbitrary code.

Added to CISA’s Known Exploited Vulnerabilities catalog on 2025-03-13. Required action per CISA: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due date: 2025-04-03.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.