CVSS 3.1 Score 6.5 of 10 (medium)


Published Jan 12, 2024
Updated: Jan 19, 2024
CWE ID 754


CVE-2024-21603 is an Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series devices. This vulnerability allows a network-based attacker with low privileges to cause a denial of service. The issue is triggered when specific SNMP requests or CLI commands are executed on MX Series devices with MPC10, MPC11, LC9600, or MX304, resulting in a 'vmcore' for the RE kernel and device restart. The vulnerability affects various versions of Juniper Networks Junos OS. To remediate this vulnerability, organizations should update their Junos OS to the recommended versions provided by Juniper Networks. If left unaddressed, this vulnerability can lead to sustained denial-of-service attacks on affected devices.

Explore Beyond the CVE Basics with Recorded Future's Vulnerability Intelligence

Note: This is just a basic overview providing quick insights into CVE-2024-21603 information. Gain full access to comprehensive CVE data, risk scores, prioritization, and mitigation data through Recorded Future's Vulnerability Intelligence:
  • Prioritize with Risk-Based Scoring
  • Explore the Extensive Vulnerability Database
  • Receive Early Alerts on Emerging CVEs
  • Focus on Critical Exploitable Vulnerabilities
  • Streamline Remediation with Integration Options