CVE-2025-21590
Junos OS: An local attacker with shell access can execute arbitrary code
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- December 26, 2024
- Published Date
- March 12, 2025
- Last Updated
- April 14, 2025
- Vendor
- Juniper Networks
- Product
- Junos OS
- 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.
- Tags
- Exploitation
- active
- Technical Impact
- total
- Exploited in the Wild
- Yes (2025-03-13 00:00:00 UTC) Source
cisa
edge
CVSS Scores
CVSS v4.0
6.7 - MEDIUM
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS v3.1
4.4 - MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
SSVC Information
Exploit Status
References
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| CISA | 2025-03-13 00:00:00 UTC |
Recent Mentions
2025-03 Out-of-Cycle Security Bulletin: Junos OS: A local attacker with shell access can execute arbitrary code (CVE-2025-21590)
Source: Juniper Security Advisories • Published: 2025-05-06 00:00:00 UTC
Timeline
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CVE ID Reserved
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CVE Published to Public
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Added to KEVIntel