Vulnerability Details : CVE-2021-43556
FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.
Vulnerability category: OverflowMemory CorruptionExecute code
Products affected by CVE-2021-43556
- cpe:2.3:a:fatek:winproladder:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43556
0.58%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43556
| 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
|
ICS-CERT | |
|
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-2021-43556
-
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-2021-43556
-
https://www.zerodayinitiative.com/advisories/ZDI-22-031/
ZDI-22-031 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://www.zerodayinitiative.com/advisories/ZDI-22-032/
ZDI-22-032 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://www.zerodayinitiative.com/advisories/ZDI-22-029/
ZDI-22-029 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01
FATEK Automation WinProladder | CISAMitigation;Third Party Advisory;US Government Resource
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