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-2020-3436 First vendor Publication 2020-10-21
Vendor Cve Last vendor Modification 2023-08-16

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Overall CVSS Score 8.6
Base Score 8.6 Environmental Score 8.6
impact SubScore 4 Temporal Score 8.6
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Changed 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:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to upload arbitrary-sized files to specific folders on an affected device, which could lead to an unexpected device reload. The vulnerability exists because the affected software does not efficiently handle the writing of large files to specific folders on the local file system. An attacker could exploit this vulnerability by uploading files to those specific folders. A successful exploit could allow the attacker to write a file that triggers a watchdog timeout, which would cause the device to unexpectedly reload, causing a denial of service (DoS) condition.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3436

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-434 Unrestricted Upload of File with Dangerous Type (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 6
Application 170
Application 86
Hardware 23
Os 34
Os 733
Os 1

Snort® IPS/IDS

Date Description
2020-12-08 Cisco ASA and FTD web services large file upload denial of service attempt
RuleID : 56087 - Revision : 1 - Type : SERVER-WEBAPP

Sources (Detail)

Source Url
CISCO https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...

Alert History

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Date Informations
2024-02-02 02:16:31
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2023-11-10 02:05:55
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2023-09-19 13:06:18
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2023-09-05 13:10:56
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2023-09-05 01:20:40
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2023-09-02 13:09:44
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2023-09-02 01:20:57
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2023-08-17 09:27:45
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2023-08-16 21:28:29
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2023-08-16 13:00:20
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2023-08-13 01:55:12
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2023-08-12 13:14:31
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2023-08-11 13:07:32
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2023-08-07 01:54:27
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2023-08-06 13:05:45
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2023-08-06 01:20:02
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2023-08-04 13:06:06
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2023-08-04 01:20:21
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2023-07-15 01:56:28
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2023-07-14 13:06:07
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2023-07-14 01:20:10
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2023-03-31 01:58:56
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2023-03-29 12:52:47
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2023-03-29 02:08:40
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2023-03-28 12:20:24
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2022-11-22 01:51:01
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2022-10-12 01:50:46
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2022-10-11 12:58:59
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2022-10-11 01:19:57
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2021-05-04 13:52:29
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2021-04-22 03:03:19
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2020-12-08 21:24:01
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2020-11-01 17:23:03
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2020-10-29 00:22:59
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2020-10-26 21:24:04
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2020-10-22 05:23:03
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2020-10-22 00:23:03
  • First insertion