Executive Summary

Informations
Name CVE-2021-31369 First vendor Publication 2021-10-19
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

On MX Series platforms with MS-MPC/MS-MIC, an Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated network attacker to cause a partial Denial of Service (DoS) with a high rate of specific traffic. If a Class of Service (CoS) rule is attached to the service-set and a high rate of specific traffic is processed by this service-set, for some of the other traffic which has services applied and is being processed by this MS-MPC/MS-MIC drops will be observed. Continued receipted of this high rate of specific traffic will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on MX Series with MS-MPC/MS-MIC: All versions prior to 17.4R3-S5; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 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; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31369

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-770 Allocation of Resources Without Limits or Throttling

CPE : Common Platform Enumeration

TypeDescriptionCount
Hardware 1
Os 831

Sources (Detail)

https://kb.juniper.net/JSA11231
Source Url

Alert History

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Date Informations
2025-06-26 01:44:50
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2025-06-25 12:13:56
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2025-03-29 02:49:50
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2025-03-28 13:25:23
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2024-11-28 13:56:26
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2024-08-02 13:25:04
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2024-08-02 01:25:35
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2024-02-02 02:25:19
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2024-02-01 12:23:52
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2023-09-05 13:19:37
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2023-09-05 01:23:24
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2023-09-02 13:18:14
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2023-09-02 01:23:45
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2023-08-12 13:24:19
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2023-08-12 01:22:59
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2023-08-11 13:16:37
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2023-08-11 01:23:45
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2023-08-06 13:14:37
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2023-08-06 01:22:44
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2023-08-04 13:14:59
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2023-08-04 01:23:05
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2023-07-28 02:05:37
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2023-07-14 13:15:02
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2023-07-14 01:22:53
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2023-03-29 02:17:14
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2023-03-28 12:23:07
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2022-10-11 13:07:00
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2022-10-11 01:22:36
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2022-08-25 02:00:17
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2022-07-31 02:01:38
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2022-04-22 01:56:29
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2022-01-27 01:49:14
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2021-10-27 17:22:59
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2021-10-26 21:22:56
  • Multiple Updates
2021-10-20 00:22:50
  • First insertion