CVE-2021-22637

moderate-risk
Published 2021-01-27

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).

Do I need to act?

-
0.36% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (2)

V-Simulator

Affected Vendors

Fujielectric

References (4)

Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-026-01
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-097/
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-026-01
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-097/
32
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 7/34 · Low