What is CVE-2024-21603?

CVE-2024-21603 is a medium-severity vulnerability in Juniper Junos, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 6.5/10. Published 2024-01-12.

How severe is CVE-2024-21603?

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

Vulnerability in Juniper Junos

CVE-2024-21603

An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series allows a network based attacker with low privileges to cause a denial of service. If a scaled configuration for…

EPSS: 0.005 (39.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Juniper Junos — versions 20.4, 21.2, 21.3
Juniper Networks Junos Os — versions 0, 21.2, 21.3

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

sirt@juniper.net (vendor-advisory, Vendor Advisory)
sirt@juniper.net (technical-description, Third Party Advisory)

Frequently asked questions

What is CVE-2024-21603?: CVE-2024-21603 is a medium-severity vulnerability in Juniper Junos, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 6.5/10. Published 2024-01-12.
How severe is CVE-2024-21603?: Medium severity. CVSS v3 base score is 6.5 out of 10.