What is CVE-2025-21593?

CVE-2025-21593 is a medium-severity vulnerability in Juniper Networks Junos Os, classified under CWE-664. CVSS score: 6.5/10. Published 2025-01-09.

How severe is CVE-2025-21593?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Juniper Networks Junos Os

CVE-2025-21593

An Improper Control of a Resource Through its Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause a Denial-of-Service (DoS)…

EPSS: 0.001 (26.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Networks Junos Os — versions 0, 21.4, 22.2
Juniper Networks Junos Os Evolved — versions 0, 21.4-EVO, 22.2-EVO

Weakness classification (CWE)

CWE-664

References

supportportal.juniper.net/JSA92861 (vendor-advisory)

Frequently asked questions

What is CVE-2025-21593?: CVE-2025-21593 is a medium-severity vulnerability in Juniper Networks Junos Os, classified under CWE-664. CVSS score: 6.5/10. Published 2025-01-09.
How severe is CVE-2025-21593?: Medium severity. CVSS v3 base score is 6.5 out of 10.