Adobe Premiere Elements version up to 2021.2235820 PNG File buffer overflow

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.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Adobe Premiere Elements version up to 2021.2235820. The affected element is an unknown function of the component PNG File Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is tracked as CVE-2021-39824. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Adobe Premiere Elements version up to 2021.2235820 and classified as critical. This vulnerability affects an unknown function of the component PNG File Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 09/28/2021 as apsb21-78. The advisory is available at helpx.adobe.com. This vulnerability was named CVE-2021-39824 since 08/23/2021. 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 209480 (Adobe Premiere Elements Arbitrary Code Execution (APSB21-78) (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 (209480). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Adobe

Name

Premiere Elements version

Version

2021.2235820

License

commercial

Website

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

CPE 2.3info

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CPE 2.2info

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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

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

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

Nessus ID: 209480
Nessus Name: Adobe Premiere Elements Arbitrary Code Execution (APSB21-78) (macOS)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
09/28/2021 +36 days 🔍
09/28/2021 +0 days 🔍
05/03/2025 +1313 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-78
Status: Confirmed

CVE: CVE-2021-39824 (🔍)
GCVE (CVE): GCVE-0-2021-39824
GCVE (VulDB): GCVE-100-183442

Entryinfo

Created: 09/28/2021 08:21
Updated: 05/03/2025 07:34
Changes: 09/28/2021 08:21 (49), 10/03/2021 07:31 (1), 10/03/2021 07:36 (7), 10/22/2024 17:03 (16), 05/03/2025 07:34 (3)
Complete: 🔍
Cache ID: 216::103

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