7.8
HIGH
CVE-2021-42726
Adobe Bridge Memory Corruption Remote Code Execution Vulnerability
Description

Adobe Bridge version 11.1.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious M4A file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

INFO

Published Date :

Nov. 16, 2021, 8:15 p.m.

Last Modified :

April 25, 2022, 5:28 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-42726 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 Adobe media_encoder
2 Adobe bridge
: Total Affected Vendor : 1 | Products : 2
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-2021-42726.

URL Resource
https://helpx.adobe.com/security/products/bridge/apsb21-94.html Vendor 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-2021-42726 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42726 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
  • Reanalysis by [email protected]

    Apr. 25, 2022

    Action Type Old Value New Value
    Removed CWE NIST NVD-CWE-noinfo
    Added CWE NIST CWE-119
  • Modified Analysis by [email protected]

    Apr. 15, 2022

    Action Type Old Value New Value
    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://helpx.adobe.com/security/products/bridge/apsb21-94.html No Types Assigned https://helpx.adobe.com/security/products/bridge/apsb21-94.html Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Mar. 16, 2022

    Action Type Old Value New Value
    Changed Description Adobe Media Encoder version 15.4 (and earlier) are affected by a memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious M4A file. Adobe Bridge version 11.1.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious M4A file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
    Removed Reference https://helpx.adobe.com/security/products/media-encoder/apsb21-70.html [Vendor Advisory]
    Added Reference https://helpx.adobe.com/security/products/bridge/apsb21-94.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 17, 2021

    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:C/I:C/A:C)
    Changed Reference Type https://helpx.adobe.com/security/products/media-encoder/apsb21-70.html No Types Assigned https://helpx.adobe.com/security/products/media-encoder/apsb21-70.html Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:a:adobe:media_encoder:*:*:*:*:*:*:*:* versions up to (including) 15.4 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
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-2021-42726 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-2021-42726 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation
Exploit Prediction

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

0.09 }} 0.00%

score

0.38926

percentile

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