// For flags

CVE-2021-3554

Improper Access Control vulnerability in the patchesUpdate API

Severity Score

10.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux as a relay role allows an attacker to manipulate the remote address used for pulling patches. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1.

Una vulnerabilidad de control de acceso inadecuado en la API patchesUpdate, tal y como se implementa en Bitdefender Endpoint Security Tools for Linux como rol de retransmisión, permite a un atacante manipular la dirección remota usada para extraer parches. Este problema afecta a: Las versiones de Bitdefender Endpoint Security Tools for Linux anteriores a 6.6.27.390; las versiones anteriores a la 7.1.2.33. Las versiones de Bitdefender Unified Endpoint anteriores a 6.2.21.160. Versiones de Bitdefender GravityZone anteriores a 6.24.1-1

*Credits: Nicolas VERDIER, Cybersecurity Consultant at TEHTRIS
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
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
  • 2021-05-17 CVE Reserved
  • 2021-11-24 CVE Published
  • 2024-02-19 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
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"
 Endpoint Security Tools
Search vendor "Bitdefender" for product "Endpoint Security Tools"
 < 6.6.27.390
Search vendor "Bitdefender" for product "Endpoint Security Tools" and version " < 6.6.27.390"
-
Affected
Bitdefender
Search vendor "Bitdefender"
 Endpoint Security Tools
Search vendor "Bitdefender" for product "Endpoint Security Tools"
 < 6.6.27.390
Search vendor "Bitdefender" for product "Endpoint Security Tools" and version " < 6.6.27.390"
linux
Affected
Bitdefender
Search vendor "Bitdefender"
 Endpoint Security Tools
Search vendor "Bitdefender" for product "Endpoint Security Tools"
 >= 7.0.0.00 < 7.1.2.33
Search vendor "Bitdefender" for product "Endpoint Security Tools" and version " >= 7.0.0.00 < 7.1.2.33"
-
Affected
Bitdefender
Search vendor "Bitdefender"
 Gravityzone
Search vendor "Bitdefender" for product "Gravityzone"
 < 6.24.1-1
Search vendor "Bitdefender" for product "Gravityzone" and version " < 6.24.1-1"
-
Affected
Bitdefender
Search vendor "Bitdefender"
 Gravityzone
Search vendor "Bitdefender" for product "Gravityzone"
 6.24.1-1
Search vendor "Bitdefender" for product "Gravityzone" and version "6.24.1-1"
-
Affected