CVE-2021-22641
CVSS v3
7.8
HIGH
EPSS Score
2.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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).
Technical details
- Published
- 2021-01-27
Frequently asked questions
What is CVE-2021-22641?
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).
Is CVE-2021-22641 actively exploited?
Active exploitation of CVE-2021-22641 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-22641?
CVE-2021-22641 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2021-22641 affecting your environment?
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