3.3
LOW
CVE-2021-40730
Adobe Acrobat Reader DC Use-After-Free Vulnerability
Description

Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by a use-after-free that allow a remote attacker to disclose sensitive information on affected installations of of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JPG2000 images.

INFO

Published Date :

Oct. 15, 2021, 3:15 p.m.

Last Modified :

Nov. 7, 2023, 3:38 a.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-40730 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 acrobat_dc
2 Adobe acrobat_reader_dc
3 Adobe acrobat
4 Adobe acrobat_reader
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-2021-40730.

URL Resource
https://helpx.adobe.com/security/products/acrobat/apsb21-104.html Release Notes 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-2021-40730 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-40730 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added CVSS V3 Adobe Systems Incorporated AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
    Removed CVSS V3.1 Adobe Systems Incorporated AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  • Initial Analysis by [email protected]

    Oct. 21, 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:P/I:N/A:N)
    Changed Reference Type https://helpx.adobe.com/security/products/acrobat/apsb21-104.html No Types Assigned https://helpx.adobe.com/security/products/acrobat/apsb21-104.html Release Notes, Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* versions from (including) 15.008.20082 up to (including) 21.007.20095 *cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* versions from (including) 15.008.20082 up to (including) 21.007.20095 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* versions from (including) 15.008.20082 up to (including) 21.007.20096 *cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* versions from (including) 15.008.20082 up to (including) 21.007.20096 OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* versions from (including) 20.001.30005 up to (including) 20.004.30015 *cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* versions from (including) 20.001.30005 up to (including) 20.004.30015 OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* versions from (including) 17.011.30158 up to (including) 17.011.30202 *cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* versions from (including) 17.011.30158 up to (including) 17.011.30202 OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* 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-2021-40730 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-2021-40730 weaknesses.

Exploit Prediction

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

0.27 }} 0.03%

score

0.67865

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability