// For flags

CVE-2021-43040

 

Severity Score

8.8
*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. The privileged vaultServer could be leveraged to create arbitrary writable files, leading to privilege escalation.

Se ha detectado un problema en Kaseya Unitrends Backup Appliance versiones anteriores a 10.5.5. El vaultServer privilegiado podría ser aprovechado para crear archivos arbitrarios con capacidad de escritura, conllevando a una escalada de privilegios

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* 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
  • 2025-05-20 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
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