Dashboard / CVE-2025-21590

CVE-2025-21590

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 0/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

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

CISA Known Exploited Vulnerability

Vendor / Product Juniper — Junos OS
Date Added 2025-03-13
Remediation Due 2025-04-03
https://supportportal.juniper.net/s/article/2025-03-Out-of-Cycle-Security-Bulletin-Junos-OS-A-local-attacker-with-shell-access-can-execute-arbitrary-code-CVE-2025-21590?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2025-21590

Weakness Classification (1)

Affected Software (79)

VendorProductVersion
juniper junos < 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
Showing 30 of 79 entries

References & Advisories (3)

Bug Bounty Relevance

0 / 100
✓ Known exploited (KEV)

CVSS Score

Unscored

EPSS — Exploitation Probability

1.74%
Raw Score 0.017350
Percentile 77.6%
Date 2026-10-28

Intelligence Sources

kev ref →

External Links