// For flags

CVE-2021-43033

 

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

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. Multiple functions in the bpserverd daemon were vulnerable to arbitrary remote code execution as root. The vulnerability was caused by untrusted input (received by the server) being passed to system calls.

Se ha detectado un problema en Kaseya Unitrends Backup Appliance versiones anteriores a 10.5.5. Múltiples funciones en el demonio bpserverd eran vulnerables a una ejecución de código remota arbitrario como root. La vulnerabilidad era causada por la entrada no confiable (recibida por el servidor) que se pasaba a las llamadas del sistema.

*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
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-10-26 CVE Reserved
  • 2021-12-06 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Kaseya
Search vendor "Kaseya"
 Unitrends Backup
Search vendor "Kaseya" for product "Unitrends Backup"
 >= 10.0 < 10.5.5
Search vendor "Kaseya" for product "Unitrends Backup" and version " >= 10.0 < 10.5.5"
-
Affected