CVE-2021-21076
Adobe Animate out-of-bounds read vulnerability
Adobe Animate version 21.0.3 (and earlier) is affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Adobe Animate out-of-bounds read vulnerability
Adobe Animate version 21.0.3 (and earlier) is affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
CVE-2021-21076- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2021-8467
Adobe Animate version 21.0.3 (and earlier) is affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
EUVD-2021-8467- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9gm6-5mxf-x5v3 No score
Adobe Animate version 21.0.3 (and earlier) is affected by an Out-of-bounds Read vulnerability. An...
Adobe Animate version 21.0.3 (and earlier) is affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
GHSA-9gm6-5mxf-x5v3- Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Adobe Animate version 21.0.3 (and earlier) is affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
CVE-2021-21076- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21076 is a high vulnerability (CVSS 7.1) in Adobe Animate, published March 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.54%, the 89th percentile. No source names a fixed version.