Adobe Animate heap corruption vulnerability could lead to arbitrary code execution
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
Adobe Animate version 21.0.6 (and earlier) is affected by a Heap-based Buffer Overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Adobe | Animate | up to 21.0.6; up to None | — | No fix listed | CNA |
- Animate VendorAdobe Affected up to 21.0.6; up to None Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-28620
- 2026-10-03 Alias added: GHSA-ggmg-hmvc-33cf
References
More Adobe Animate vulnerabilities
- TI-2016-06610 Memory corruption in Adobe Animate 15.2.1.95 and earlier CVSS 3.0CRITICAL 9.8
- TI-2021-04183 Adobe Animate heap-based overflow vulnerability CVSS 3.0HIGH 7.8
- TI-2021-09699 Adobe Animate heap corruption vulnerability could lead to arbitrary code execution CVSS 3.0HIGH 7.8
- TI-2021-04177 Adobe Animate memory corruption vulnerability CVSS 3.0HIGH 7.8
- TI-2021-18706 Adobe Animate FLA File Parsing Use After Free Remote Code Execution CVSS 3.1HIGH 7.8
- TI-2021-09691 Adobe Animate FLA File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
Sources
- CVE-2021-28620 · CVE Program
- CVE-2021-28620 · NVD
- FIRST EPSS
- GHSA-ggmg-hmvc-33cf · GitHub Advisory Database · CC BY 4.0
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