CVE-2025-21590

MEDIUMCISA KEV

4.4

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.

Details CVE

Score CVSS v3.14.4

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie3/12/2025

Derniere modification10/24/2025

Sourcekev

Observations honeypot0

CISA KEV

FournisseurJuniper

ProduitJunos OS

Nom vulnerabiliteJuniper Junos OS Improper Isolation or Compartmentalization Vulnerability

Date ajout KEV2025-03-13

Date limite remediation2025-04-03

Utilise dans ransomwareUnknown

Produits affectes

juniper:junos

Faiblesses (CWE)

CWE-653

References

https://cloud.google.com/blog/topics/threat-intelligence/china-nexus-espionage-targets-juniper-routers(sirt@juniper.net)

https://supportportal.juniper.net/JSA93446(sirt@juniper.net)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21590(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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