# CVE-2025-21590: A Juniper Junos OS bug is being used in attacks

Status: Being used now (CISA KEV, added 2025-03-13)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Juniper Junos OS (CVE-2025-21590) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2025-21590. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official 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.

## Sources
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2025-21590

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.