CVE-2021-33436
Severity Score
7.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
NoMachine for Windows prior to version 6.15.1 and 7.5.2 suffer from local privilege escalation due to the lack of safe DLL loading. This vulnerability allows local non-privileged users to perform DLL Hijacking via any writable directory listed under the system path and ultimately execute code as NT AUTHORITY\SYSTEM.
NoMachine para Windows versiones anteriores a 6.15.1 y 7.5.2, sufre una escalada de privilegios local debido a una falta de carga segura de DLL. Esta vulnerabilidad permite a usuarios locales no privilegiado llevar a cabo el secuestro de DLL por medio de cualquier directorio con capacidad de escritura que aparezca en la ruta del sistema y, en última instancia, ejecutar código como NT AUTHORITY\SYSTEM
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-05-20 CVE Reserved
- 2022-04-28 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://github.com/active-labs/Advisories/blob/master/2021/ACTIVE-2021-001.md | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://knowledgebase.nomachine.com/SU05S00223 | 2022-05-07 | |
| https://knowledgebase.nomachine.com/SU05S00224 | 2022-05-07 | |
| https://knowledgebase.nomachine.com/TR05S10236 | 2022-05-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Nomachine Search vendor "Nomachine" | Nomachine Search vendor "Nomachine" for product "Nomachine" | >= 6.0.0 < 6.15.1 Search vendor "Nomachine" for product "Nomachine" and version " >= 6.0.0 < 6.15.1" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Nomachine Search vendor "Nomachine" | Nomachine Search vendor "Nomachine" for product "Nomachine" | >= 7.0 < 7.5.2 Search vendor "Nomachine" for product "Nomachine" and version " >= 7.0 < 7.5.2" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|