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High severity7.5NVD Advisory· Published Jul 17, 2020· Updated Jun 17, 2026

CVE-2020-1650

CVE-2020-1650

Description

On Juniper Networks Junos MX Series with service card configured, receipt of a stream of specific packets may crash the MS-PIC component on MS-MIC or MS-MPC. By continuously sending these specific packets, an attacker can repeatedly bring down MS-PIC on MS-MIC/MS-MPC causing a prolonged Denial of Service. This issue affects MX Series devices using MS-PIC, MS-MIC or MS-MPC service cards with any service configured. This issue affects Juniper Networks Junos OS on MX Series: 17.2R2-S7; 17.3R3-S4, 17.3R3-S5; 17.4R2-S4 and the subsequent SRs (17.4R2-S5, 17.4R2-S6, etc.); 17.4R3; 18.1R3-S3, 18.1R3-S4, 18.1R3-S5, 18.1R3-S6, 18.1R3-S7, 18.1R3-S8; 18.2R3, 18.2R3-S1, 18.2R3-S2; 18.3R2 and the SRs based on 18.3R2; 18.4R2 and the SRs based on 18.4R2; 19.1R1 and the SRs based on 19.1R1; 19.2R1 and the SRs based on 19.2R1; 19.3R1 and the SRs based on 19.3R1.

Affected products

43
  • Juniper Networks/Junos42 versions
    cpe:2.3:o:juniper:junos:17.2:r2-s7:*:*:*:*:*:*+ 41 more
    • cpe:2.3:o:juniper:junos:17.2:r2-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s8:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s9:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s8:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r1-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r1-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r3-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r3-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.3:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.3:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.3:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.3:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.4:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.4:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.4:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.1:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.1:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.1:r1-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.1:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.3:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.3:r1:*:*:*:*:*:*
    • (no CPE)range: 17.2R2-S7, 17.3R3-S4, 17.3R3-S5, 17.4R2-S4, 17.4R2-S5, 17.4R2-S6, 17.4R3, 18.1R3-S3, 18.1R3-S4, 18.1R3-S5, 18.1R3-S6, 18.1R3-S7, 18.1R3-S8, 18.2R3, 18.2R3-S1, 18.2R3-S2, 18.3R2, 18.4R2, 19.1R1, 19.2R1, 19.3R1
    • (no CPE)range: 17.2R2-S7
  • Juniper Networks/MX Seriesllm-fuzzy
    Range: 17.2R2-S7, 17.3R3-S4, 17.3R3-S5, 17.4R2-S4, 17.4R2-S5, 17.4R2-S6, 17.4R3, 18.1R3-S3, 18.1R3-S4, 18.1R3-S5, 18.1R3-S6, 18.1R3-S7, 18.1R3-S8, 18.2R3, 18.2R3-S1, 18.2R3-S2, 18.3R2, 18.4R2, 19.1R1, 19.2R1, 19.3R1

Patches

Vulnerability mechanics

References

1

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