// For flags

CVE-2020-28021

 

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.

Exim 4 versiones anteriores a 4.94.2, presenta una Neutralización Inapropiada de Delimitadores de Línea. Un cliente SMTP remoto autenticado puede insertar caracteres newline en un archivo de cola (que indirectamente conlleva a una ejecución de código remota como root) por medio de AUTH= en un comando MAIL FROM

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-10-30 CVE Reserved
  • 2021-05-06 CVE Published
  • 2023-10-19 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Exim
Search vendor "Exim"
 Exim
Search vendor "Exim" for product "Exim"
 >= 4.00 < 4.94.2
Search vendor "Exim" for product "Exim" and version " >= 4.00 < 4.94.2"
-
Affected