Adobe After Effects up to 18.4.1 SVG 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 and classified as critical. This impacts an unknown function of the component SVG File Handler. Such manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2021-40753. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Adobe After Effects up to 18.4.1. Affected by this issue is an unknown code of the component SVG 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 disclosed 11/19/2021 as apsb21-79. The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2021-40753 since 09/08/2021. 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 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). Once again VulDB remains the best 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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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-2021-40753 (🔍)
GCVE (CVE): GCVE-0-2021-40753
GCVE (VulDB): GCVE-100-186932

Entryinfo

Created: 11/19/2021 07:41
Updated: 05/02/2025 21:37
Changes: 11/19/2021 07:41 (49), 11/22/2021 09:06 (1), 11/22/2021 09:08 (7), 10/27/2024 02:13 (16), 05/02/2025 21:37 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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