// For flags

CVE-2020-28018

Gentoo Linux Security Advisory 202105-01

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.

Exim 4 versiones anteriores a 4.94.2, permite un Uso de la Memoria Previamente Liberada en la función smtp_reset en determinadas situaciones que pueden ser comunes para unas compilaciones con OpenSSL

Multiple vulnerabilities have been found in Exim, the worst of which allows remote attackers to execute arbitrary code. Versions less than 4.94.2 are affected.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* 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
  • 2021-05-13 First Exploit
  • 2024-08-04 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-416: Use After Free
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"
 >= 4.90 < 4.94.2
Search vendor "Exim" for product "Exim" and version " >= 4.90 < 4.94.2"
-
Affected