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

CVE-2023-44199

Disclosure Date: October 13, 2023
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).

On Junos MX Series platforms with Precision Time Protocol (PTP) configured, a prolonged routing protocol churn can lead to an FPC crash and restart.

This issue affects Juniper Networks Junos OS on MX Series:

  • All versions prior to 20.4R3-S4;
  • 21.1 version 21.1R1 and later versions;
  • 21.2 versions prior to 21.2R3-S2;
  • 21.3 versions prior to 21.3R3-S5;
  • 21.4 versions prior to 21.4R3;
  • 22.1 versions prior to 22.1R3;
  • 22.2 versions prior to 22.2R1-S1, 22.2R2.

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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

Vendors

  • juniper

Products

  • junos,
  • junos 20.4,
  • junos 21.1,
  • junos 21.2,
  • junos 21.3,
  • junos 21.4,
  • junos 22.1,
  • junos 22.2

Additional Info

Technical Analysis