Adobe After Effects up to 18.4.1 MXF File buffer overflow

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 After Effects up to 18.4.1. It has been rated as critical. Affected by this issue is some unknown functionality of the component MXF File Handler. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2021-40757. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Adobe After Effects up to 18.4.1 and classified as critical. This issue affects an unknown function of the component MXF File Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was published 11/19/2021 as apsb21-79. It is possible to read the advisory at helpx.adobe.com. The identification of this vulnerability is CVE-2021-40757 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 209422 (Adobe After Effects < 18.4.2 Multiple Vulnerabilities (APSB21-79) (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 (209422). Be aware that VulDB is the high quality source 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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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: 209422
Nessus Name: Adobe After Effects < 18.4.2 Multiple Vulnerabilities (APSB21-79) (macOS)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/08/2021 🔍
11/19/2021 +72 days 🔍
11/19/2021 +0 days 🔍
05/02/2025 +1260 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-79
Status: Confirmed

CVE: CVE-2021-40757 (🔍)
GCVE (CVE): GCVE-0-2021-40757
GCVE (VulDB): GCVE-100-186935

Entryinfo

Created: 11/19/2021 08:00
Updated: 05/02/2025 21:37
Changes: 11/19/2021 08:00 (49), 11/22/2021 09:19 (1), 11/22/2021 09:22 (7), 10/27/2024 02:13 (16), 05/02/2025 21:37 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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