// For flags

CVE-2021-41535

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 NX 1953 Series (All versions < V1973.3700), NX 1980 Series (All versions < V1988), Solid Edge SE2021 (All versions < SE2021MP8). The affected application contains a use-after-free vulnerability while parsing OBJ files. An attacker could leverage this vulnerability to execute code in the context of the current process (ZDI-CAN-13771).

Se ha identificado una vulnerabilidad en NX 1953 Series (Todas las versiones anteriores a V1973.3700), NX 1980 Series (Todas las versiones anteriores a V1988), Solid Edge SE2021 (Todas las versiones anteriores a SE2021MP8). La aplicación afectada contiene una vulnerabilidad de uso después de libre al analizar archivos OBJ. Un atacante podría aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual (ZDI-CAN-13771)

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
  • 2021-09-21 CVE Reserved
  • 2021-09-28 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-09-16 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"
Nx 1984 Firmware
Search vendor "Siemens" for product "Nx 1984 Firmware"
< 1984
Search vendor "Siemens" for product "Nx 1984 Firmware" and version " < 1984"
-
Affected
in Siemens
Search vendor "Siemens"
Nx 1984
Search vendor "Siemens" for product "Nx 1984"
--
Safe
Siemens
Search vendor "Siemens"
Nx 1988 Firmware
Search vendor "Siemens" for product "Nx 1988 Firmware"
< 1984
Search vendor "Siemens" for product "Nx 1988 Firmware" and version " < 1984"
-
Affected
in Siemens
Search vendor "Siemens"
Nx 1988
Search vendor "Siemens" for product "Nx 1988"
--
Safe
Siemens
Search vendor "Siemens"
Nx 1957 Firmware
Search vendor "Siemens" for product "Nx 1957 Firmware"
< 1973.3700
Search vendor "Siemens" for product "Nx 1957 Firmware" and version " < 1973.3700"
-
Affected
in Siemens
Search vendor "Siemens"
Nx 1957
Search vendor "Siemens" for product "Nx 1957"
--
Safe
Siemens
Search vendor "Siemens"
Nx 1961 Firmware
Search vendor "Siemens" for product "Nx 1961 Firmware"
< 1973.3700
Search vendor "Siemens" for product "Nx 1961 Firmware" and version " < 1973.3700"
-
Affected
in Siemens
Search vendor "Siemens"
Nx 1961
Search vendor "Siemens" for product "Nx 1961"
--
Safe
Siemens
Search vendor "Siemens"
Nx 1965 Firmware
Search vendor "Siemens" for product "Nx 1965 Firmware"
< 1973.3700
Search vendor "Siemens" for product "Nx 1965 Firmware" and version " < 1973.3700"
-
Affected
in Siemens
Search vendor "Siemens"
Nx 1965
Search vendor "Siemens" for product "Nx 1965"
--
Safe
Siemens
Search vendor "Siemens"
Nx 1969 Firmware
Search vendor "Siemens" for product "Nx 1969 Firmware"
< 1973.3700
Search vendor "Siemens" for product "Nx 1969 Firmware" and version " < 1973.3700"
-
Affected
in Siemens
Search vendor "Siemens"
Nx 1969
Search vendor "Siemens" for product "Nx 1969"
--
Safe
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
< se2021
Search vendor "Siemens" for product "Solid Edge" and version " < se2021"
-
Affected
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
se2021
Search vendor "Siemens" for product "Solid Edge" and version "se2021"
-
Affected
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
se2021
Search vendor "Siemens" for product "Solid Edge" and version "se2021"
maintenance_pack1
Affected
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
se2021
Search vendor "Siemens" for product "Solid Edge" and version "se2021"
maintenance_pack2
Affected
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
se2021
Search vendor "Siemens" for product "Solid Edge" and version "se2021"
maintenance_pack3
Affected
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
se2021
Search vendor "Siemens" for product "Solid Edge" and version "se2021"
maintenance_pack4
Affected
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
se2021
Search vendor "Siemens" for product "Solid Edge" and version "se2021"
maintenance_pack5
Affected
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
se2021
Search vendor "Siemens" for product "Solid Edge" and version "se2021"
maintenance_pack6
Affected
Siemens
Search vendor "Siemens"
Solid Edge
Search vendor "Siemens" for product "Solid Edge"
se2021
Search vendor "Siemens" for product "Solid Edge" and version "se2021"
maintenance_pack7
Affected