Read the docs
TI-2021-05530 Aliases CVE-2021-22637GHSA-5crv-9pfw-2jvp

Stack-based buffer overflow in Tellus Lite V-Simulator and V-Server Lite

Priority LOW 38CWE-121Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

Multiple stack-based buffer overflow issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).

Why it matters now

EPSS 0.02235 82nd percentileScored 2026-11-08
Fix Fixed Tellus Lite V-Simulator and V-Server Lite: 4.0.10.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Tellus Lite V-Simulator and V-Server Litebefore 4.0.10.04.0.10.0Patch availableCNA
  • Tellus Lite V-Simulator and V-Server Lite Vendor— Affected before 4.0.10.0 Fixed in 4.0.10.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fujielectric:v-server:*:*:*:*:lite:*:*:*before 4.0.10.0VulnerableFuji Electric
cpe:2.3:a:fujielectric:v-simulator:*:*:*:*:lite:*:*:*before 4.0.10.0VulnerableFuji Electric
  • cpe:2.3:a:fujielectric:v-server:*:*:*:*:lite:*:*:* Versions before 4.0.10.0 Vulnerable ·Fuji Electric
  • cpe:2.3:a:fujielectric:v-simulator:*:*:*:*:lite:*:*:* Versions before 4.0.10.0 Vulnerable ·Fuji Electric

Remediation

  • Fix · CNA Tellus Lite V-Simulator and V-Server Lite Fixed in 4.0.10.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22637
  2. 2026-10-03 Alias added: GHSA-5crv-9pfw-2jvp

References

Advisory 2

  • TI-2019-13257 Heap-based buffer overflow in Fuji Electric V-Server 4.0.6 and prior CVSS 3.1CRITICAL 9.8
  • TI-2019-02953 Insufficiently protected credentials in Fuji Electric V-Server CVSS 3.0CRITICAL 9.8
  • TI-2021-05534 Heap-based buffer overflow in Tellus Lite V-Simulator and V-Server Lite CVSS 3.1HIGH 7.8
  • TI-2021-05532 An uninitialized pointer issue has been identified in the way the application processes… CVSS 3.1HIGH 7.8
  • TI-2018-07524 Buffer overflow in Fuji Electric V-Server Lite CVSS 3.0HIGH 7.8
  • TI-2021-05548 Out-of-bounds read in Tellus Lite V-Simulator and V-Server Lite CVSS 3.1HIGH 7.8
See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences