Adobe After Effects up to 18.4.2/22.0 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 described as critical has been identified in Adobe After Effects up to 18.4.2/22.0. This vulnerability affects unknown code. Such manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2021-43755. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Adobe After Effects up to 18.4.2/22.0 and classified as critical. Affected by this issue is an unknown code block. 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. CVE summarizes:

Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by a memory corruption vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

The weakness was disclosed 06/16/2022 as apsb21-115. The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2021-43755 since 11/15/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 209379 (Adobe After Effects < 18.4.3 / 22.0.0 < 22.1.1 Multiple Vulnerabilities (APSB21-115) (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 (209379). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

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: 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: 209379
Nessus Name: Adobe After Effects < 18.4.3 / 22.0.0 < 22.1.1 Multiple Vulnerabilities (APSB21-115) (macOS)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/15/2021 🔍
06/16/2022 +212 days 🔍
06/16/2022 +0 days 🔍
04/30/2025 +1049 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-115
Status: Confirmed

CVE: CVE-2021-43755 (🔍)
GCVE (CVE): GCVE-0-2021-43755
GCVE (VulDB): GCVE-100-202172

Entryinfo

Created: 06/16/2022 07:38
Updated: 04/30/2025 21:21
Changes: 06/16/2022 07:38 (49), 10/21/2024 19:57 (16), 04/30/2025 21:21 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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