// For flags

CVE-2020-13657

 

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An elevation of privilege vulnerability exists in Avast Free Antivirus and AVG AntiVirus Free before 20.4 due to improperly handling hard links. The vulnerability allows local users to take control of arbitrary files.

Se presenta una vulnerabilidad de elevación de privilegios en Avast Free Antivirus y AVG AntiVirus Free versiones anteriores a 20.4, debido a un manejo inapropiado de los enlaces físicos. La vulnerabilidad permite a usuarios locales tomar el control de archivos arbitrarios

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-05-28 CVE Reserved
  • 2020-06-29 CVE Published
  • 2023-03-08 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
Avast
Search vendor "Avast"
 Avg Antivirus
Search vendor "Avast" for product "Avg Antivirus"
 < 20.4
Search vendor "Avast" for product "Avg Antivirus" and version " < 20.4"
free
Affected
Avast
Search vendor "Avast"
 Free Antivirus
Search vendor "Avast" for product "Free Antivirus"
 < 20.4
Search vendor "Avast" for product "Free Antivirus" and version " < 20.4"
-
Affected