Vulnerability Monitor

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CVE-2023-36835


An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX10000 Series allows a network based attacker to cause a Denial of Service (DoS). If a specific valid IP packet is received and that packet needs to be routed over a VXLAN tunnel, this will result in a PFE wedge condition due to which traffic gets impacted. As this is not a crash and restart scenario, this condition will persist until the system is rebooted to recover. This issue affects Juniper Networks Junos OS on QFX10000: 20.3 version 20.3R1 and later versions; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S5; 21.2 versions prior to 21.2R3-S5; 21.3 versions prior to 21.3R3-S4; 21.4 versions prior to 21.4R3-S1; 22.1 versions prior to 22.1R3; 22.2 versions prior to 22.2R2; 22.3 versions prior to 22.3R1-S2, 22.3R2.


Published

2023-07-14T18:15:10.133

Last Modified

2024-11-21T08:10:42.510

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses
  • Type: Primary
    CWE-754

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.3 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 20.4 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.2 Yes
Operating System juniper junos 22.2 Yes
Operating System juniper junos 22.2 Yes
Operating System juniper junos 22.3 Yes
Operating System juniper junos 22.3 Yes
Hardware juniper qfx10002 - No
Hardware juniper qfx10002-60c - No
Hardware juniper qfx10008 - No
Hardware juniper qfx10016 - No

References