Vulnerability Details : CVE-2021-22637
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).
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-22637
- cpe:2.3:a:fujielectric:v-server:*:*:*:*:lite:*:*:*
- cpe:2.3:a:fujielectric:v-simulator:*:*:*:*:lite:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22637
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22637
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-22637
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: ics-cert@hq.dhs.gov (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-22637
-
https://www.zerodayinitiative.com/advisories/ZDI-21-097/
ZDI-21-097 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-026-01
Fuji Electric Tellus Lite V-Simulator and V-Server Lite | CISAThird Party Advisory;US Government Resource
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