CVE-2025-21590

Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability

Junos

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…

12. Mär 2025

Ausgewertete Quellen

• Hersteller
  https://supportportal.juniper.net/JSA93446
• Hinweis
  https://cloud.google.com/blog/topics/threat-intelligence/china-nexus-espionage-targets-juniper-routers
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21590
• CISA
  Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability
• NVD
  CVE-2025-21590