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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2021-0288

Junos OS: MX Series, EX9200 Series: FPC may crash upon receipt of specific MPLS packet affecting Trio-based MPCs

Description

A vulnerability in the processing of specific MPLS packets in Juniper Networks Junos OS on MX Series and EX9200 Series devices with Trio-based MPCs (Modular Port Concentrators) may cause FPC to crash and lead to a Denial of Service (DoS) condition. Continued receipt of this packet will sustain the Denial of Service (DoS) condition. This issue only affects MX Series and EX9200 Series with Trio-based PFEs (Packet Forwarding Engines). This issue affects Juniper Networks Junos OS on MX Series, EX9200 Series: 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R2-S13, 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S8, 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S2; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R2-S2, 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2;

Affected products

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

Juniper Networks Junos OS

  • 17.3 to < 17.3R3-S12affected
  • 17.4 to < 17.4R2-S13, 17.4R3-S5affected
  • 18.1 to < 18.1R3-S13affected
  • 18.2 to < 18.2R3-S8affected
  • 18.3 to < 18.3R3-S5affected
  • 18.4 to < 18.4R2-S8, 18.4R3-S8affected
  • 19.1 to < 19.1R3-S5affected
  • 19.2 to < 19.2R3-S2affected
  • 19.3 to < 19.3R2-S6, 19.3R3-S3affected
  • 19.4 to < 19.4R1-S4, 19.4R1-S4, 19.4R2-S4, 19.4R3-S2affected
  • 20.1 to < 20.1R3affected
  • 20.2 to < 20.2R2-S2, 20.2R3affected
  • 20.3 to < 20.3R2affected
  • 20.4 to < 20.4R2affected

References