Adobe Character Animator up to 4.4 M4A File Parser memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Adobe Character Animator up to 4.4. It has been classified as critical. The impacted element is an unknown function of the component M4A File Parser. This manipulation causes memory corruption. This vulnerability is registered as CVE-2021-40764. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Adobe Character Animator up to 4.4. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component M4A File Parser. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 03/16/2022 as apsb21-95. It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2021-40764 since 09/08/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 209377 (Adobe Character Animator 4.0.0 < 4.4.2 Multiple Vulnerabilities (APSB21-95) (macOS)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209377). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Adobe Systems Incorporated): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209377
Nessus Name: Adobe Character Animator 4.0.0 < 4.4.2 Multiple Vulnerabilities (APSB21-95) (macOS)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/08/2021 🔍
03/16/2022 +189 days 🔍
03/16/2022 +0 days 🔍
05/01/2025 +1142 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-95
Status: Confirmed

CVE: CVE-2021-40764 (🔍)
GCVE (CVE): GCVE-0-2021-40764
GCVE (VulDB): GCVE-100-195235

Entryinfo

Created: 03/16/2022 20:51
Updated: 05/01/2025 13:54
Changes: 03/16/2022 20:51 (49), 03/19/2022 09:15 (1), 10/21/2024 20:05 (16), 05/01/2025 13:54 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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