Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-20231 First vendor Publication 2021-07-14
Vendor Cve Last vendor Modification 2021-07-20

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:N/I:N/A:P)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20231

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
50 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 535

Sources (Detail)

Source Url
MISC https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-...
https://mikrotik.com/

Alert History

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Date Informations
2024-08-02 13:13:29
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2024-08-02 01:21:42
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2024-02-02 02:14:20
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2023-09-05 13:08:50
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2023-09-05 01:19:57
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2023-09-02 01:20:15
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2023-08-12 13:12:20
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2023-08-12 01:19:30
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2023-08-11 13:05:30
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2023-08-11 01:20:08
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2023-08-06 13:03:45
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2023-08-06 01:19:20
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2023-08-04 13:04:06
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2023-08-04 01:19:37
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2023-07-14 13:04:07
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2023-07-14 01:19:29
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2023-03-29 02:06:46
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2023-03-28 12:19:42
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2022-10-11 12:57:16
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2022-10-11 01:19:18
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2022-03-29 01:46:53
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2021-07-24 00:22:58
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2021-07-21 05:22:49
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2021-07-14 21:23:07
  • First insertion