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

CVE-2024-20267

Disclosure Date: February 29, 2024
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A vulnerability with the handling of MPLS traffic for Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the netstack process to unexpectedly restart, which could cause the device to stop processing network traffic or to reload.

This vulnerability is due to lack of proper error checking when processing an ingress MPLS frame. An attacker could exploit this vulnerability by sending a crafted IPv6 packet that is encapsulated within an MPLS frame to an MPLS-enabled interface of the targeted device. A successful exploit could allow the attacker to cause a denial of service (DoS) condition.

Note: The IPv6 packet can be generated multiple hops away from the targeted device and then encapsulated within MPLS. The DoS condition may occur when the NX-OS device processes the packet.

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CVSS V3 Severity and Metrics
Base Score:
8.6 High
Impact Score:
4
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • cisco

Products

  • nx-os 10.1(1),
  • nx-os 10.1(2),
  • nx-os 10.1(2t),
  • nx-os 10.2(1),
  • nx-os 10.2(1q),
  • nx-os 10.2(2),
  • nx-os 10.2(3),
  • nx-os 10.2(3t),
  • nx-os 10.2(3v),
  • nx-os 10.2(4),
  • nx-os 10.2(5),
  • nx-os 10.2(6),
  • nx-os 10.3(1),
  • nx-os 10.3(2),
  • nx-os 10.3(3),
  • nx-os 10.3(99w),
  • nx-os 10.3(99x),
  • nx-os 10.4(1),
  • nx-os 6.0(2)a3(1),
  • nx-os 6.0(2)a3(2),
  • nx-os 6.0(2)a3(4),
  • nx-os 6.0(2)a4(1),
  • nx-os 6.0(2)a4(2),
  • nx-os 6.0(2)a4(3),
  • nx-os 6.0(2)a4(4),
  • nx-os 6.0(2)a4(5),
  • nx-os 6.0(2)a4(6),
  • nx-os 6.0(2)a6(1),
  • nx-os 6.0(2)a6(1a),
  • nx-os 6.0(2)a6(2),
  • nx-os 6.0(2)a6(2a),
  • nx-os 6.0(2)a6(3),
  • nx-os 6.0(2)a6(3a),
  • nx-os 6.0(2)a6(4),
  • nx-os 6.0(2)a6(4a),
  • nx-os 6.0(2)a6(5),
  • nx-os 6.0(2)a6(5a),
  • nx-os 6.0(2)a6(5b),
  • nx-os 6.0(2)a6(6),
  • nx-os 6.0(2)a6(7),
  • nx-os 6.0(2)a6(8),
  • nx-os 6.0(2)a7(1),
  • nx-os 6.0(2)a7(1a),
  • nx-os 6.0(2)a7(2),
  • nx-os 6.0(2)a7(2a),
  • nx-os 6.0(2)a8(1),
  • nx-os 6.0(2)a8(10),
  • nx-os 6.0(2)a8(10a),
  • nx-os 6.0(2)a8(11),
  • nx-os 6.0(2)a8(11a),
  • nx-os 6.0(2)a8(11b),
  • nx-os 6.0(2)a8(2),
  • nx-os 6.0(2)a8(3),
  • nx-os 6.0(2)a8(4),
  • nx-os 6.0(2)a8(4a),
  • nx-os 6.0(2)a8(5),
  • nx-os 6.0(2)a8(6),
  • nx-os 6.0(2)a8(7),
  • nx-os 6.0(2)a8(7a),
  • nx-os 6.0(2)a8(7b),
  • nx-os 6.0(2)a8(8),
  • nx-os 6.0(2)a8(9),
  • nx-os 6.0(2)u2(1),
  • nx-os 6.0(2)u2(2),
  • nx-os 6.0(2)u2(3),
  • nx-os 6.0(2)u2(4),
  • nx-os 6.0(2)u2(5),
  • nx-os 6.0(2)u2(6),
  • nx-os 6.0(2)u3(1),
  • nx-os 6.0(2)u3(2),
  • nx-os 6.0(2)u3(3),
  • nx-os 6.0(2)u3(4),
  • nx-os 6.0(2)u3(5),
  • nx-os 6.0(2)u3(6),
  • nx-os 6.0(2)u3(7),
  • nx-os 6.0(2)u3(8),
  • nx-os 6.0(2)u3(9),
  • nx-os 6.0(2)u4(1),
  • nx-os 6.0(2)u4(2),
  • nx-os 6.0(2)u4(3),
  • nx-os 6.0(2)u4(4),
  • nx-os 6.0(2)u5(1),
  • nx-os 6.0(2)u5(2),
  • nx-os 6.0(2)u5(3),
  • nx-os 6.0(2)u5(4),
  • nx-os 6.0(2)u6(1),
  • nx-os 6.0(2)u6(10),
  • nx-os 6.0(2)u6(1a),
  • nx-os 6.0(2)u6(2),
  • nx-os 6.0(2)u6(2a),
  • nx-os 6.0(2)u6(3),
  • nx-os 6.0(2)u6(3a),
  • nx-os 6.0(2)u6(4),
  • nx-os 6.0(2)u6(4a),
  • nx-os 6.0(2)u6(5),
  • nx-os 6.0(2)u6(5a),
  • nx-os 6.0(2)u6(5b),
  • nx-os 6.0(2)u6(5c),
  • nx-os 6.0(2)u6(6),
  • nx-os 6.0(2)u6(7),
  • nx-os 6.0(2)u6(8),
  • nx-os 6.0(2)u6(9),
  • nx-os 6.2(10),
  • nx-os 6.2(12),
  • nx-os 6.2(14),
  • nx-os 6.2(16),
  • nx-os 6.2(18),
  • nx-os 6.2(2),
  • nx-os 6.2(20),
  • nx-os 6.2(20a),
  • nx-os 6.2(22),
  • nx-os 6.2(24),
  • nx-os 6.2(24a),
  • nx-os 6.2(2a),
  • nx-os 6.2(6),
  • nx-os 6.2(6a),
  • nx-os 6.2(6b),
  • nx-os 6.2(8),
  • nx-os 6.2(8a),
  • nx-os 6.2(8b),
  • nx-os 7.0(3)f1(1),
  • nx-os 7.0(3)f2(1),
  • nx-os 7.0(3)f2(2),
  • nx-os 7.0(3)f3(1),
  • nx-os 7.0(3)f3(2),
  • nx-os 7.0(3)f3(3),
  • nx-os 7.0(3)f3(3a),
  • nx-os 7.0(3)f3(3c),
  • nx-os 7.0(3)f3(4),
  • nx-os 7.0(3)f3(5),
  • nx-os 7.0(3)i2(1),
  • nx-os 7.0(3)i2(1a),
  • nx-os 7.0(3)i2(2),
  • nx-os 7.0(3)i2(2a),
  • nx-os 7.0(3)i2(2b),
  • nx-os 7.0(3)i2(2c),
  • nx-os 7.0(3)i2(2d),
  • nx-os 7.0(3)i2(2e),
  • nx-os 7.0(3)i2(3),
  • nx-os 7.0(3)i2(4),
  • nx-os 7.0(3)i2(5),
  • nx-os 7.0(3)i3(1),
  • nx-os 7.0(3)i4(1),
  • nx-os 7.0(3)i4(2),
  • nx-os 7.0(3)i4(3),
  • nx-os 7.0(3)i4(4),
  • nx-os 7.0(3)i4(5),
  • nx-os 7.0(3)i4(6),
  • nx-os 7.0(3)i4(7),
  • nx-os 7.0(3)i4(8),
  • nx-os 7.0(3)i4(8a),
  • nx-os 7.0(3)i4(8b),
  • nx-os 7.0(3)i4(8z),
  • nx-os 7.0(3)i4(9),
  • nx-os 7.0(3)i5(1),
  • nx-os 7.0(3)i5(2),
  • nx-os 7.0(3)i6(1),
  • nx-os 7.0(3)i6(2),
  • nx-os 7.0(3)i7(1),
  • nx-os 7.0(3)i7(10),
  • nx-os 7.0(3)i7(2),
  • nx-os 7.0(3)i7(3),
  • nx-os 7.0(3)i7(4),
  • nx-os 7.0(3)i7(5),
  • nx-os 7.0(3)i7(5a),
  • nx-os 7.0(3)i7(6),
  • nx-os 7.0(3)i7(7),
  • nx-os 7.0(3)i7(8),
  • nx-os 7.0(3)i7(9),
  • nx-os 7.1(0)n1(1),
  • nx-os 7.1(0)n1(1a),
  • nx-os 7.1(0)n1(1b),
  • nx-os 7.1(1)n1(1),
  • nx-os 7.1(2)n1(1),
  • nx-os 7.1(3)n1(1),
  • nx-os 7.1(3)n1(2),
  • nx-os 7.1(4)n1(1),
  • nx-os 7.1(5)n1(1),
  • nx-os 7.1(5)n1(1b),
  • nx-os 7.2(0)d1(1),
  • nx-os 7.2(1)d1(1),
  • nx-os 7.2(2)d1(1),
  • nx-os 7.2(2)d1(2),
  • nx-os 7.3(0)d1(1),
  • nx-os 7.3(0)dx(1),
  • nx-os 7.3(0)n1(1),
  • nx-os 9.2(1),
  • nx-os 9.2(2),
  • nx-os 9.2(2t),
  • nx-os 9.2(2v),
  • nx-os 9.2(3),
  • nx-os 9.2(4),
  • nx-os 9.3(1),
  • nx-os 9.3(10),
  • nx-os 9.3(11),
  • nx-os 9.3(12),
  • nx-os 9.3(2),
  • nx-os 9.3(3),
  • nx-os 9.3(4),
  • nx-os 9.3(5),
  • nx-os 9.3(6),
  • nx-os 9.3(7),
  • nx-os 9.3(7a),
  • nx-os 9.3(8),
  • nx-os 9.3(9)

Additional Info

Technical Analysis