Information disclosure via undisclosed out-of-bounds read
Published Mar 12, 2021 · Updated Apr 23, 2025
Out-of-bounds read in Adobe Animate 21.0.3 and earlier allows attackers to disclose process memory through a malicious file. Adobe identifies the flaw only as an out-of-bounds read and has not disclosed the affected parser, file format, or faulty bounds operation. Exploitation requires a user to open the crafted file; no data modification or code-execution impact is reported.
Summary
What happened
Out-of-bounds read in Adobe Animate 21.0.3 and earlier allows attackers to disclose process memory through a malicious file. Adobe identifies the flaw only as an out-of-bounds read and has not disclosed the affected parser, file format, or faulty bounds operation. Exploitation requires a user to open the crafted file; no data modification or code-execution impact is reported.
The record
- CVE
- CVE-2021-21074
- Published
- Mar 12, 2021
- Updated
- Apr 23, 2025
- Vendor
- Adobe
- Product
- Adobe Animate
- Classifications
- CWE-125, T1204.002
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 12, 2021CVE publishedPublication date reported by the CVE source.
- Apr 23, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=unspecified <=21.0.3
- Affected versionversion=unspecified <=None
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
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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