Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2024-21602

Disclosure Date: January 12, 2024
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).

If a specific IPv4 UDP packet is received and sent to the Routing Engine (RE) packetio crashes and restarts which causes a momentary traffic interruption. Continued receipt of such packets will lead to a sustained DoS.

This issue does not happen with IPv6 packets.

This issue affects Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L:

  • 21.4-EVO versions earlier than 21.4R3-S6-EVO;
  • 22.1-EVO versions earlier than 22.1R3-S5-EVO;
  • 22.2-EVO versions earlier than 22.2R2-S1-EVO, 22.2R3-EVO;
  • 22.3-EVO versions earlier than 22.3R2-EVO.

This issue does not affect Juniper Networks Junos OS Evolved versions earlier than 21.4R1-EVO.

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Additional Info

Technical Analysis