// For flags

CVE-2020-8095

Bitdefender Total Security Link Resolution Denial-of-Service Vulnerability

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

A vulnerability in the improper handling of junctions before deletion in Bitdefender Total Security 2020 can allow an attacker to to trigger a denial of service on the affected device.

Una vulnerabilidad en el manejo inapropiado de uniones antes de la eliminaciĆ³n en Bitdefender Total Security 2020, puede permitir a un atacante desencadenar una denegaciĆ³n de servicio en el dispositivo afectado.

This vulnerability allows local attackers to create a denial-of-service condition on affected installations of BitDefender Total Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the handling of junctions. By creating a junction, an attacker can abuse the service to delete arbitrary files. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

*Credits: Nabeel Ahmed of Dimension Data Belgium working with Trend Micro Zero Day Initiative
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-01-28 CVE Reserved
  • 2020-01-30 CVE Published
  • 2024-02-06 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Bitdefender
Search vendor "Bitdefender"
Total Security 2020
Search vendor "Bitdefender" for product "Total Security 2020"
< 24.9
Search vendor "Bitdefender" for product "Total Security 2020" and version " < 24.9"
-
Affected