VDB-239099 · CVE-2021-43751 · apsb21-117

Adobe Premiere Pro up to 15.4.2/22.0 out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Adobe Premiere Pro up to 15.4.2/22.0. It has been rated as problematic. This vulnerability affects unknown code. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2021-43751. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Adobe Premiere Pro up to 15.4.2/22.0 and classified as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

Adobe Premiere Pro versions 22.0 (and earlier) and 15.4.2 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The weakness was shared 09/07/2023 as apsb21-117. It is possible to read the advisory at helpx.adobe.com. The identification of this vulnerability is CVE-2021-43751 since 11/15/2021. 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 209473 (Adobe Premiere Pro < 15.4.3 / 22.0.0 < 22.1.1 Multiple Vulnerabilities (APSB21-117) (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 (209473). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Adobe

Name

Premiere Pro

Version

License

commercial

Website

Vendor: https://www.adobe.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector (Adobe Systems Incorporated): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 209473
Nessus Name: Adobe Premiere Pro < 15.4.3 / 22.0.0 < 22.1.1 Multiple Vulnerabilities (APSB21-117) (macOS)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/15/2021 🔍
09/07/2023 +660 days 🔍
09/07/2023 +0 days 🔍
04/22/2025 +593 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-117
Status: Confirmed

CVE: CVE-2021-43751 (🔍)
GCVE (CVE): GCVE-0-2021-43751
GCVE (VulDB): GCVE-100-239099

Entryinfo

Created: 09/07/2023 15:28
Updated: 04/22/2025 08:48
Changes: 09/07/2023 15:28 (49), 10/22/2024 20:05 (17), 04/22/2025 08:48 (3)
Complete: 🔍
Cache ID: 216::103

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