CVE-2021-31351

An 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;
References
Link Resource
https://kb.juniper.net/JSA11216 Vendor Advisory
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Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:o:juniper:junos:17.3:r3-s11:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r2-s13:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r3-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r3-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r3-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r3-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.1:r3-s12:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s8:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r3-s7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r3-s8:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.3:r3-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r3-s7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r3-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r3-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:r1-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.3:r3-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.4:r2-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.4:r2-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.4:r3-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.1:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.2:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.2:r2-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.2:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.3:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.3:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*
OR cpe:2.3:h:juniper:mx10:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx10000:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx10003:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx10016:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx104:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx150:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx40:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx5:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx80:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:*

Information

Published : 2021-10-19 12:15

Updated : 2021-10-25 14:27


NVD link : CVE-2021-31351

Mitre link : CVE-2021-31351


JSON object : View

CWE
CWE-754

Improper Check for Unusual or Exceptional Conditions

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Products Affected

juniper

  • mx10
  • mx480
  • mx5
  • mx80
  • mx10000
  • junos
  • mx10016
  • mx2008
  • mx960
  • mx204
  • mx10003
  • mx2010
  • mx150
  • mx240
  • mx2020
  • mx40
  • mx10008
  • mx104