Executive Summary

Informations
Name CVE-2020-20253 First vendor Publication 2021-05-18
Vendor Cve Last vendor Modification 2021-05-25

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 6.47 (stable tree) suffers from a divison by zero vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20253

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-369 Divide By Zero

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 530

Sources (Detail)

Source Url
FULLDISC http://seclists.org/fulldisclosure/2021/May/14
MISC https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcds...

Alert History

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Date Informations
2024-08-02 13:13:29
  • Multiple Updates
2024-08-02 01:21:42
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2024-02-02 02:14:21
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2024-02-01 12:20:21
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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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2022-03-29 01:46:53
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2021-07-09 01:37:51
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2021-05-25 17:22:48
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2021-05-22 09:22:46
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2021-05-18 21:23:08
  • First insertion