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CVE-2025-21164: Out-of-bounds Write (CWE-787) in Adobe Substance3D - Designer

High
VulnerabilityCVE-2025-21164cvecve-2025-21164cwe-787
Published: Tue Jul 08 2025 (07/08/2025, 16:39:18 UTC)
Source: CVE Database V5
Vendor/Project: Adobe
Product: Substance3D - Designer

Description

Substance3D - Designer versions 14.1 and earlier are affected by an out-of-bounds write vulnerability that could result in 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.

AI-Powered Analysis

AILast updated: 07/08/2025, 17:10:28 UTC

Technical Analysis

CVE-2025-21164 is a high-severity vulnerability identified in Adobe Substance3D - Designer versions 14.1 and earlier. The vulnerability is classified as an out-of-bounds write (CWE-787), which occurs when the software writes data outside the boundaries of allocated memory buffers. This flaw can be exploited by an attacker to execute arbitrary code within the security context of the current user. The exploitation requires user interaction, specifically the victim opening a crafted malicious file designed to trigger the vulnerability. Successful exploitation could lead to full compromise of the affected application, allowing an attacker to manipulate or execute code, potentially leading to data theft, system manipulation, or further malware deployment. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability, with low attack complexity but requiring user interaction and local access (attack vector: local). No known exploits are currently reported in the wild, and no patches have been linked yet, indicating that mitigation may rely on vendor updates or workarounds once available. The vulnerability affects a specialized creative software product widely used in 3D design and digital content creation workflows.

Potential Impact

For European organizations, the impact of this vulnerability could be significant, especially for companies involved in digital media, gaming, advertising, and product design that rely on Adobe Substance3D - Designer. Exploitation could lead to unauthorized code execution, resulting in data breaches, intellectual property theft, or disruption of creative workflows. Given that the vulnerability requires user interaction via opening a malicious file, targeted phishing or social engineering campaigns could be used to deliver the exploit payload. This risk is heightened in environments where users frequently exchange design files or collaborate remotely. Additionally, compromised systems could serve as entry points for lateral movement within corporate networks, potentially affecting broader IT infrastructure. The lack of current known exploits reduces immediate risk but does not eliminate the threat, especially as attackers may develop exploits post-disclosure. Organizations handling sensitive design assets or proprietary models face confidentiality and integrity risks, while availability could be impacted if systems become unstable or are taken offline due to exploitation.

Mitigation Recommendations

To mitigate this vulnerability effectively, European organizations should: 1) Immediately restrict the use of Adobe Substance3D - Designer to trusted users and environments until patches are released. 2) Implement strict email and file filtering to detect and block suspicious or unexpected design files, especially from external or unverified sources. 3) Educate users on the risks of opening unsolicited or unexpected files, emphasizing caution with design files received via email or collaboration platforms. 4) Employ application whitelisting and sandboxing techniques to limit the ability of malicious code to execute or affect other system components. 5) Monitor endpoint behavior for anomalies indicative of exploitation attempts, such as unusual memory access patterns or process activity related to Substance3D. 6) Once Adobe releases patches or updates, prioritize immediate deployment across all affected systems. 7) Consider network segmentation to isolate creative workstations from critical infrastructure to limit potential lateral movement. 8) Maintain up-to-date backups of critical design assets to enable recovery in case of compromise.

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Technical Details

Data Version
5.1
Assigner Short Name
adobe
Date Reserved
2024-12-04T17:19:21.477Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 686d4d676f40f0eb72f90cb3

Added to database: 7/8/2025, 4:55:03 PM

Last enriched: 7/8/2025, 5:10:28 PM

Last updated: 8/12/2025, 11:47:46 PM

Views: 22

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