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-2020-28020 First vendor Publication 2021-05-06
Vendor Cve Last vendor Modification 2022-06-28

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None 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:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28020

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 132

Sources (Detail)

Source Url
MISC https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28020-HSIZE...
MLIST http://www.openwall.com/lists/oss-security/2021/07/25/1
http://www.openwall.com/lists/oss-security/2021/08/03/1

Alert History

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Date Informations
2022-10-21 01:50:54
  • Multiple Updates
2022-07-07 12:46:48
  • Multiple Updates
2021-09-03 21:23:20
  • Multiple Updates
2021-08-04 21:23:22
  • Multiple Updates
2021-08-03 09:22:59
  • Multiple Updates
2021-07-25 21:23:22
  • Multiple Updates
2021-05-10 21:23:10
  • Multiple Updates
2021-05-06 17:23:03
  • First insertion