MEDIUMCVSS 4.4Actively exploited · CISA KEV since 2025-03-13Vulnerability

CVE-2025-21590

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

Properties

Euvd product
Junos OS
Vulnerability name
Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability
First seen
2026-02-26T19:09:35+00:00
Cvss score
4.4
Epss score
0.01735
Last seen
2026-10-19T12:00:27+00:00
Due date
2025-04-03
Euvd assigner
juniper
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2025-03-13T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2025-03-13
Euvd base score version
4.0
Score
4.4
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Juniper Networks
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
In Signal since
initial import (Sep 2026)
Euvd base score
6.7

Related Entities (82 · showing 23)

AFFECTS_PRODUCT (79 · showing 20)

→[Product]cpe:2.3:o:juniper:junos:22.4:r3-s1:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:24.2:r2:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.2:r3-s5:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:23.2:-:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:23.4:r2-s1:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:23.2:r1-s1:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:23.2:r1:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.2:r3:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:24.2:-:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.4:r2:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.4:r1-s2:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.4:r3-s5:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:23.4:r2:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:23.2:r2:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.4:r2-s1:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.2:r3-s3:*:*:*:*:*:*
→[Product]cpe:2.3:o:juniper:junos:22.2:r3-s4:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Isolation or Compartmentalization

INVOLVES (1)

←[Signal]kev_added · 2025-03-13

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CVE-2025-21590 (CVSS 4.4) — Ninja Signal Threat Intelligence | Ninja Signal