CVE-2025-21137

Code execution via malicious file heap overflow

Published Jan 14, 2025 · Updated Feb 12, 2025

Heap-based buffer overflow in Adobe Substance 3D Designer 14.0 and earlier allows local users to execute code via a malicious file. Adobe has not disclosed the affected parser, file format, or the memory operation that overruns the heap buffer. A victim must open the file, and successful exploitation runs code in the current user's context.

CVSS severity7.8
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap-based buffer overflow in Adobe Substance 3D Designer 14.0 and earlier allows local users to execute code via a malicious file. Adobe has not disclosed the affected parser, file format, or the memory operation that overruns the heap buffer. A victim must open the file, and successful exploitation runs code in the current user's context.

The record

CVE
CVE-2025-21137
Published
Jan 14, 2025
Updated
Feb 12, 2025
Vendor
Adobe
Product
Substance 3D Designer
Classifications
CWE-122, T1204.002, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 14, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=14.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Adobe · Substance 3D Designerversion=0 <=14.0

Published CVSS scores

7.8AdobeCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-122Heap-based Buffer Overflow
T1204.002Malicious File
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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