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Multiple Juniper Networks Junos OS Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2024-39513 CVSS:5.5

Juniper Networks Junos OS Evolved is vulnerable to a denial of service, caused by an improper input validation vulnerability in the Packet Forwarding Engine (PFE). By sending a specially crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service.

CVE-2024-39561 CVSS:5.8

Juniper Networks Junos OS could allow a remote attacker to bypass security restrictions, caused by improper check for unusual or exceptional conditions in the flow daemon (flowd). By sending specially crafted TCP packets with SYN/FIN or SYN/RST flags, an attacker could exploit this vulnerability to bypass expected blocking of these packets.

Impact

  • Denial of Service
  • Security Bypass

Indicators of Compromise

CVE

  • CVE-2024-39513
  • CVE-2024-39561

Affected Vendors

Juniper

Affected Products

  • Juniper Networks Junos OS Evolved
  • Juniper Networks Junos OS 21.4
  • Juniper Networks Junos OS 22.1
  • Juniper Networks Junos OS 22.3
  • Juniper Networks Junos OS 22.2
  • Juniper Networks Junos OS 22.4
  • Juniper Networks Junos OS 23.2
  • Juniper Networks Junos OS 23.4
  • Juniper Networks SRX4600
  • Juniper Networks SRX5000

Remediation

Refer to Juniper Networks Security Advisory for patch, upgrade or suggested workaround information.

CVE-2024-39513

CVE-2024-39561