CVE-2021-31351

Summary

CVECVE-2021-31351
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-10-19 19:15:00 UTC
Updated2021-10-25 21:27:00 UTC
DescriptionAn Improper Check for Unusual or Exceptional Conditions in packet processing on the MS-MPC/MS-MIC utilized by Juniper Networks Junos OS allows a malicious attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects specific versions of Juniper Networks Junos OS on MX Series: 17.3R3-S11; 17.4R2-S13; 17.4R3 prior to 17.4R3-S5; 18.1R3-S12; 18.2R2-S8, 18.2R3-S7, 18.2R3-S8; 18.3R3-S4; 18.4R3-S7; 19.1R3-S4, 19.1R3-S5; 19.2R1-S6; 19.3R3-S2; 19.4R2-S4, 19.4R2-S5; 19.4R3-S2; 20.1R2-S1; 20.2R2-S2, 20.2R2-S3, 20.2R3; 20.3R2, 20.3R2-S1; 20.4R1, 20.4R1-S1, 20.4R2; 21.1R1; This issue does not affect any version of Juniper Networks Junos OS prior to 15.1X49-D240;

Risk And Classification

Problem Types: CWE-754

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Juniper Junos 17.3 r3-s11 All All
Operating System Juniper Junos 17.4 r2-s13 All All
Operating System Juniper Junos 17.4 r3 All All
Operating System Juniper Junos 17.4 r3-s1 All All
Operating System Juniper Junos 17.4 r3-s2 All All
Operating System Juniper Junos 17.4 r3-s3 All All
Operating System Juniper Junos 17.4 r3-s4 All All
Operating System Juniper Junos 18.1 r3-s12 All All
Operating System Juniper Junos 18.2 r2-s8 All All
Operating System Juniper Junos 18.2 r3-s7 All All
Operating System Juniper Junos 18.2 r3-s8 All All
Operating System Juniper Junos 18.3 r3-s4 All All
Operating System Juniper Junos 18.4 r3-s7 All All
Operating System Juniper Junos 19.1 r3-s4 All All
Operating System Juniper Junos 19.1 r3-s5 All All
Operating System Juniper Junos 19.2 r1-s6 All All
Operating System Juniper Junos 19.3 r3-s2 All All
Operating System Juniper Junos 19.4 r2-s4 All All
Operating System Juniper Junos 19.4 r2-s5 All All
Operating System Juniper Junos 19.4 r3-s2 All All
Operating System Juniper Junos 20.1 r2-s1 All All
Operating System Juniper Junos 20.2 r2-s2 All All
Operating System Juniper Junos 20.2 r2-s3 All All
Operating System Juniper Junos 20.2 r3 All All
Operating System Juniper Junos 20.3 r2 All All
Operating System Juniper Junos 20.3 r2-s1 All All
Operating System Juniper Junos 20.4 r1 All All
Operating System Juniper Junos 20.4 r1-s1 All All
Operating System Juniper Junos 20.4 r2 All All
Operating System Juniper Junos 21.1 r1 All All
Hardware Juniper Mx10 - All All All
Hardware Juniper Mx10000 - All All All
Hardware Juniper Mx10003 - All All All
Hardware Juniper Mx10008 - All All All
Hardware Juniper Mx10016 - All All All
Hardware Juniper Mx104 - All All All
Hardware Juniper Mx150 - All All All
Hardware Juniper Mx2008 - All All All
Hardware Juniper Mx2010 - All All All
Hardware Juniper Mx2020 - All All All
Hardware Juniper Mx204 - All All All
Hardware Juniper Mx240 - All All All
Hardware Juniper Mx40 - All All All
Hardware Juniper Mx480 - All All All
Hardware Juniper Mx5 - All All All
Hardware Juniper Mx80 - All All All
Hardware Juniper Mx960 - All All All

References

ReferenceSourceLinkTags
2021-10 Security Bulletin: Junos OS: MX Series: Receipt of specific packet on MS-MPC/MS-MIC causes line card reset (CVE-2021-31351) - Juniper Networks CONFIRM kb.juniper.net
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 43895 Juniper Network Operating System (Junos OS) :MX Series Denial of Service (DoS) (Line Card Reset) Vulnerability (JSA1121)

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