9.8
CRITICAL
CVE-2021-21938
Accusoft ImageGear Heap-Based Buffer Overflow Vulnerability
Description

A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

INFO

Published Date :

April 14, 2022, 8:15 p.m.

Last Modified :

June 26, 2023, 6 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-21938 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 Accusoft imagegear
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-2021-21938.

URL Resource
http://help.accusoft.com/ImageGear/v20.0/Windows/DLL/webframe.html Product
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1367 Exploit Third Party Advisory

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-2021-21938 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21938 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]

    Jun. 26, 2023

    Action Type Old Value New Value
    Changed Reference Type http://help.accusoft.com/ImageGear/v20.0/Windows/DLL/webframe.html No Types Assigned http://help.accusoft.com/ImageGear/v20.0/Windows/DLL/webframe.html Product
    Removed CWE NIST CWE-787
    Added CWE NIST CWE-193
  • CVE Modified by [email protected]

    Mar. 17, 2023

    Action Type Old Value New Value
    Removed CVSS V3 Talos AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 Talos AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added Reference http://help.accusoft.com/ImageGear/v20.0/Windows/DLL/webframe.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 21, 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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://talosintelligence.com/vulnerability_reports/TALOS-2021-1367 No Types Assigned https://talosintelligence.com/vulnerability_reports/TALOS-2021-1367 Exploit, Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:a:accusoft:imagegear:19.10:*:*:*:*:*:*:*
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-2021-21938 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-2021-21938 weaknesses.

Exploit Prediction

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

0.24 }} -0.01%

score

0.62304

percentile

CVSS31 - Vulnerability Scoring System
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