7.8
HIGH
CVE-2021-43556
FATEK WinProladder Stack-Based Buffer Overflow Vulnerability
Description

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.

INFO

Published Date :

Dec. 28, 2021, 7:15 p.m.

Last Modified :

April 1, 2022, 4:38 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-43556 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fatek winproladder
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-43556.

URL Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01 Mitigation Third Party Advisory US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-22-029/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-031/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-032/ Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-43556 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-43556 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 01, 2022

    Action Type Old Value New Value
    Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01 Third Party Advisory, US Government Resource https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01 Mitigation, Third Party Advisory, US Government Resource
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-22-029/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-22-029/ Third Party Advisory, VDB Entry
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-22-031/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-22-031/ Third Party Advisory, VDB Entry
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-22-032/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-22-032/ Third Party Advisory, VDB Entry
    Added CWE NIST CWE-787
  • CVE Modified by [email protected]

    Jan. 13, 2022

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-22-032/ [No Types Assigned]
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-22-031/ [No Types Assigned]
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-22-029/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 07, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01 Third Party Advisory, US Government Resource
    Added CPE Configuration OR *cpe:2.3:a:fatek:winproladder:*:*:*:*:*:*:*:* versions up to (including) 3.30_24518
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-43556 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-43556 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.40 }} 0.14%

score

0.73743

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability