Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2023-44199

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.
  • Published: Oct 13, 2023
  • Updated: Oct 21, 2023
  • CVE: CVE-2023-44199
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
juniper / junos - 20.4
juniper / junos 20.4-r1 20.4-r1.x
juniper / junos 20.4-r1-s1 20.4-r1-s1.x
juniper / junos 20.4-r2 20.4-r2.x
juniper / junos 20.4-r2-s1 20.4-r2-s1.x
juniper / junos 20.4-r3 20.4-r3.x
juniper / junos 20.4-r3-s1 20.4-r3-s1.x
juniper / junos 20.4-r2-s2 20.4-r2-s2.x
juniper / junos 20.4 20.4.x
juniper / junos 20.4-r3-s2 20.4-r3-s2.x
juniper / junos 20.4-r3-s3 20.4-r3-s3.x
juniper / junos 21.1-r3-s1 21.1-r3-s1.x
juniper / junos 21.1-r2 21.1-r2.x
juniper / junos 21.1-r2-s2 21.1-r2-s2.x
juniper / junos 21.1-r3 21.1-r3.x
juniper / junos 21.1-r2-s1 21.1-r2-s1.x
juniper / junos 21.1-r1-s1 21.1-r1-s1.x
juniper / junos 21.1-r1 21.1-r1.x
juniper / junos 21.1-r3-s3 21.1-r3-s3.x
juniper / junos 21.1-r3-s4 21.1-r3-s4.x
juniper / junos 21.1-r3-s5 21.1-r3-s5.x
juniper / junos 21.1-r3-s2 21.1-r3-s2.x
juniper / junos 21.2-r3-s2 21.2-r3-s2.x
juniper / junos 21.2-r3-s1 21.2-r3-s1.x
juniper / junos 21.2-r1 21.2-r1.x
juniper / junos 21.2-r1-s1 21.2-r1-s1.x
juniper / junos 21.2 21.2.x
juniper / junos 21.2-r1-s2 21.2-r1-s2.x
juniper / junos 21.2-r2-s1 21.2-r2-s1.x
juniper / junos 21.2-r2-s2 21.2-r2-s2.x
juniper / junos 21.2-r2 21.2-r2.x
juniper / junos 21.2-r3 21.2-r3.x
juniper / junos 21.3-r1-s1 21.3-r1-s1.x
juniper / junos 21.3-r1-s2 21.3-r1-s2.x
juniper / junos 21.3-r2-s1 21.3-r2-s1.x
juniper / junos 21.3-r2-s2 21.3-r2-s2.x
juniper / junos 21.3-r3 21.3-r3.x
juniper / junos 21.3-r3-s1 21.3-r3-s1.x
juniper / junos 21.3-r1 21.3-r1.x
juniper / junos 21.3-r2 21.3-r2.x
juniper / junos 21.3-r3-s3 21.3-r3-s3.x
juniper / junos 21.3-r3-s4 21.3-r3-s4.x
juniper / junos 21.3-r3-s2 21.3-r3-s2.x
juniper / junos 21.3 21.3.x
juniper / junos 21.4-r2-s2 21.4-r2-s2.x
juniper / junos 21.4-r1-s1 21.4-r1-s1.x
juniper / junos 21.4-r2 21.4-r2.x
juniper / junos 21.4-r2-s1 21.4-r2-s1.x
juniper / junos 21.4-r1-s2 21.4-r1-s2.x
juniper / junos 21.4 21.4.x
juniper / junos 21.4-r1 21.4-r1.x
juniper / junos 22.1-r1 22.1-r1.x
juniper / junos 22.1-r1-s1 22.1-r1-s1.x
juniper / junos 22.1-r2 22.1-r2.x
juniper / junos 22.1-r1-s2 22.1-r1-s2.x
juniper / junos 22.1-r2-s2 22.1-r2-s2.x
juniper / junos 22.1-r2-s1 22.1-r2-s1.x
juniper / junos 22.1 22.1.x
juniper / junos 22.2 22.2.x
juniper / junos 22.2-r1 22.2-r1.x