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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2021-31365

Junos OS: EX2300, EX3400 and EX4300 Series: An Aggregated Ethernet (AE) interface will go down due to a stream of specific layer 2 frames

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Status
Published
Published
Updated
Assigning organization
juniper

Description

An Uncontrolled Resource Consumption vulnerability in Juniper Networks Junos OS on EX2300, EX3400 and EX4300 Series platforms allows an adjacent attacker sending a stream of layer 2 frames will trigger an Aggregated Ethernet (AE) interface to go down and thereby causing a Denial of Service (DoS). By continuously sending a stream of specific layer 2 frames an attacker will sustain the Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS EX4300 Series All versions prior to 15.1R7-S7; 16.1 versions prior to 16.1R7-S8; 17.1 versions prior to 17.1R2-S12; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S2, 19.3R3; 19.4 versions prior to 19.4R1-S2, 19.4R2. Juniper Networks Junos OS EX3400 and EX4300-MP Series All versions prior to 18.1R3-S12; 18.2 versions prior to 18.2R3-S7; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S9, 18.4R3-S7; 19.1 versions prior to 19.1R2-S3, 19.1R3-S4; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R3-S1; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2. Juniper Networks Junos OS EX2300 Series All versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S7, 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R2.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS

  • unspecified to < 15.1R7-S7affected
  • 16.1 to < 16.1R7-S8affected
  • 17.1 to < 17.1R2-S12affected
  • 17.2 to < 17.2R3-S4affected
  • 17.3 to < 17.3R3-S8affected
  • 17.4 to < 17.4R2-S10, 17.4R3-S2affected
  • 18.1 to < 18.1R3-S10affected
  • 18.2 to < 18.2R2-S7, 18.2R3-S3affected
  • 18.3 to < 18.3R2-S4, 18.3R3-S2affected
  • 18.4 to < 18.4R1-S7, 18.4R2-S4, 18.4R3-S1affected
  • 19.1 to < 19.1R1-S5, 19.1R2-S1, 19.1R3affected
  • 19.2 to < 19.2R1-S5, 19.2R2affected
  • 19.3 to < 19.3R2-S2, 19.3R3affected
  • 19.4 to < 19.4R1-S2, 19.4R2affected

Juniper Networks Junos OS

  • unspecified to < 18.1R3-S12affected
  • 18.2 to < 18.2R3-S7affected
  • 18.3 to < 18.3R3-S4affected
  • 18.4 to < 18.4R2-S9, 18.4R3-S7affected
  • 19.1 to < 19.1R2-S3, 19.1R3-S4affected
  • 19.2 to < 19.2R3-S1affected
  • 19.3 to < 19.3R3-S1affected
  • 19.4 to < 19.4R3-S1affected
  • 20.1 to < 20.1R3affected
  • 20.2 to < 20.2R3affected
  • 20.3 to < 20.3R2affected

Juniper Networks Junos OS

  • unspecified to < 18.3R3-S5affected
  • 18.4 to < 18.4R2-S9, 18.4R3-S9affected
  • 19.1 to < 19.1R2-S3, 19.1R3-S6affected
  • 19.2 to < 19.2R1-S7, 19.2R3-S3affected
  • 19.3 to < 19.3R2-S7, 19.3R3-S3affected
  • 19.4 to < 19.4R3-S5affected
  • 20.1 to < 20.1R2-S2, 20.1R3-S1affected
  • 20.2 to < 20.2R3-S2affected
  • 20.3 to < 20.3R3-S1affected
  • 20.4 to < 20.4R2-S1, 20.4R3affected
  • 21.1 to < 21.1R2affected

References