// For flags

CVE-2021-37179

Siemens Solid Edge Viewer OBJ File Parsing Use-After-Free Remote Code Execution Vulnerability

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability has been identified in Solid Edge SE2021 (All Versions < SE2021MP7). The PSKERNEL.dll library in affected application lacks proper validation while parsing user-supplied OBJ files that could lead to a use-after-free condition. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13777)

Se ha identificado una vulnerabilidad en Solid Edge versión SE2021 (Todas las versiones anteriores a SE2021MP7). La biblioteca PSKERNEL.dll de la aplicación afectada carece de una comprobación apropiada mientras analiza los archivos OBJ suministrados por el usuario, lo que podría conllevar una condición de uso de la memoria previamente liberada. Un atacante podría aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. (ZDI-CAN-13777)

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Solid Edge Viewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of OBJ files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: xina1i
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-07-21 CVE Reserved
  • 2021-08-10 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-27 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Siemens
Search vendor "Siemens"
 Solid Edge Se2021 Firmware
Search vendor "Siemens" for product "Solid Edge Se2021 Firmware"
 < se2021mp7
Search vendor "Siemens" for product "Solid Edge Se2021 Firmware" and version " < se2021mp7"
-
Affected
in Siemens
Search vendor "Siemens"
 Solid Edge Se2021
Search vendor "Siemens" for product "Solid Edge Se2021"
--
Safe