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-2020-20250 First vendor Publication 2021-07-13
Vendor Cve Last vendor Modification 2022-06-28

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 before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference). NOTE: this is different from CVE-2020-20253 and CVE-2020-20254. All four vulnerabilities in the /nova/bin/lcdstat process are discussed in the CVE-2020-20250 github.com/cq674350529 reference.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20250

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 530

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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2023-09-05 13:08:51
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2023-09-05 01:19:57
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2023-09-02 13:07:40
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2023-09-02 01:20:15
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2023-08-12 13:12:21
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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 13:04:08
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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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2022-07-07 12:45:50
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2022-03-29 01:46:53
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2021-07-16 00:22:48
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2021-07-13 17:22:49
  • First insertion