Adobe Media Encoder up to 15.4.2/22.0 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 labeled as critical has been found in Adobe Media Encoder up to 15.4.2/22.0. Affected by this issue is some unknown functionality. The manipulation results in buffer overflow. This vulnerability is known as CVE-2021-43756. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Adobe Media Encoder up to 15.4.2/22.0. Affected is an unknown part. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are affected by a memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The weakness was published 06/16/2022 as apsb21-118. The advisory is available at helpx.adobe.com. This vulnerability is traded as CVE-2021-43756 since 11/15/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 209384 (Adobe Media Encoder < 15.4.3 / 22.0.0 < 22.1.1 Multiple Vulnerabilities (APSB21-118) (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 (209384). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

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Version

License

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: 209384
Nessus Name: Adobe Media Encoder < 15.4.3 / 22.0.0 < 22.1.1 Multiple Vulnerabilities (APSB21-118) (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: apsb21-118
Status: Confirmed

CVE: CVE-2021-43756 (🔍)
GCVE (CVE): GCVE-0-2021-43756
GCVE (VulDB): GCVE-100-202170

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 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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