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

CVE-2024-21597

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

Description

An Exposure of Resource to Wrong Sphere vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass the intended access restrictions.

In an Abstracted Fabric (AF) scenario if routing-instances (RI) are configured, specific valid traffic destined to the device can bypass the configured lo0 firewall filters as it’s received in the wrong RI context.

This issue affects Juniper Networks Junos OS on MX Series:

  • All versions earlier than 20.4R3-S9;
  • 21.2 versions earlier than 21.2R3-S3;
  • 21.4 versions earlier than 21.4R3-S5;
  • 22.1 versions earlier than 22.1R3;
  • 22.2 versions earlier than 22.2R3;
  • 22.3 versions earlier than 22.3R2.

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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:H/A:N
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None

General Information

Vendors

  • juniper

Products

  • junos 20.4,
  • junos 21.2,
  • junos 21.4,
  • junos 22.1,
  • junos 22.2,
  • junos 22.3

Additional Info

Technical Analysis