// For flags

CVE-2021-31342

Siemens Solid Edge Viewer DFT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The ugeom2d.dll library in all versions of Solid Edge SE2020 before 2020MP14 and all versions of Solid Edge SE2021 before SE2021MP5 lack proper validation of user-supplied data when parsing DFT files. This could result in an out-of-bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process.

La biblioteca ugeom2d.dll en todas las versiones de Solid Edge SE2020 antes de 2020MP14 y todas las versiones de Solid Edge SE2021 antes de SE2021MP5 carecen de la validación adecuada de los datos suministrados por el usuario al analizar los archivos DFT. Esto podría dar lugar a una escritura fuera de los límites más allá del final de una estructura asignada. Un atacante podría aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual

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 DFT files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: garmin
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
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
  • 2021-04-15 CVE Reserved
  • 2021-06-08 CVE Published
  • 2024-06-25 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
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 Se2020 Firmware
Search vendor "Siemens" for product "Solid Edge Se2020 Firmware"
< 2020mp14
Search vendor "Siemens" for product "Solid Edge Se2020 Firmware" and version " < 2020mp14"
-
Affected
in Siemens
Search vendor "Siemens"
Solid Edge Se2020
Search vendor "Siemens" for product "Solid Edge Se2020"
--
Safe
Siemens
Search vendor "Siemens"
Solid Edge Se2021 Firmware
Search vendor "Siemens" for product "Solid Edge Se2021 Firmware"
< se2021mp5
Search vendor "Siemens" for product "Solid Edge Se2021 Firmware" and version " < se2021mp5"
-
Affected
in Siemens
Search vendor "Siemens"
Solid Edge Se2021
Search vendor "Siemens" for product "Solid Edge Se2021"
--
Safe