// For flags

CVE-2021-38415

Fuji Electric Tellus Lite V-Simulator heap based buffer overflow

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

Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable a heap-based buffer overflow when parsing a specially crafted project file, which may allow an attacker to execute arbitrary code.

Fuji Electric V-Server Lite y Tellus Lite V-Simulator versiones anteriores a 4.0.12.0, son vulnerables a un desbordamiento del búfer en la región heap de la memoria cuando analizan un archivo de proyecto especialmente diseñado, que puede permitir a un atacante ejecutar código arbitrario

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fuji Electric Tellus Lite. 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 V8 files within the V-Simulator module. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: kimiya, working with Trend Micro’s Zero Day Initiative, and Michael Heinzl reported these vulnerabilities to CISA.
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
  • 2021-08-10 CVE Reserved
  • 2021-10-28 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-11-25 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-122: Heap-based Buffer Overflow
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Fujielectric
Search vendor "Fujielectric"
V-server
Search vendor "Fujielectric" for product "V-server"
< 4.0.12.0
Search vendor "Fujielectric" for product "V-server" and version " < 4.0.12.0"
lite
Affected
Fujielectric
Search vendor "Fujielectric"
V-simulator
Search vendor "Fujielectric" for product "V-simulator"
< 4.0.12.0
Search vendor "Fujielectric" for product "V-simulator" and version " < 4.0.12.0"
lite
Affected