CVE-2021-22641

HIGH
7.8
CVSS Score
Published: January 27, 2021 at 07:03 PM UTC
Updated: June 17, 2026 at 03:37 AM UTC
2 products affected across 1 vendorV-ServerV Simulator

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Severity
HIGH7.8
Exploit prediction
EPSS 2%

Description

A heap-based buffer overflow issue has 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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.0.10.0
Affected range stops below 4.0.10.0, so it looks safe — our inference, not a vendor statement
v < 4.0.10.0
Affected range stops below 4.0.10.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-026-01
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-099/

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122CWE-787

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