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-2021-42757 First vendor Publication 2021-12-08
Vendor Cve Last vendor Modification 2024-01-18

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 6.7
Base Score 6.7 Environmental Score 6.7
impact SubScore 5.9 Temporal Score 6.7
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity Low
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A buffer overflow [CWE-121] in the TFTP client library of FortiOS before 6.4.7 and FortiOS 7.0.0 through 7.0.2, may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42757

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 9
Application 9
Application 60
Application 11
Application 1
Application 11
Application 1
Application 10
Application 42
Application 30
Os 209
Os 15
Os 2

Sources (Detail)

Source Url
CONFIRM https://fortiguard.com/advisory/FG-IR-21-173

Alert History

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Date Informations
2024-01-19 09:27:50
  • Multiple Updates
2024-01-18 21:27:51
  • Multiple Updates
2023-11-22 02:19:20
  • Multiple Updates
2023-09-08 02:15:02
  • Multiple Updates
2023-08-30 00:27:43
  • Multiple Updates
2023-08-09 17:28:36
  • Multiple Updates
2022-11-05 01:59:48
  • Multiple Updates
2022-07-26 02:03:38
  • Multiple Updates
2021-12-10 00:22:58
  • Multiple Updates
2021-12-09 21:22:54
  • Multiple Updates
2021-12-08 17:22:53
  • First insertion