CVE-2021-42268
Adobe Animate FLA File Parsing Null Pointer Dereference Application Denial of Service
Adobe Animate version 21.0.9 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted FLA file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Adobe Animate FLA File Parsing Null Pointer Dereference Application Denial of Service
Adobe Animate version 21.0.9 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted FLA file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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-2021-42268- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2021-29244
Adobe Animate version 21.0.9 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted FLA file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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-2021-29244- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5hv9-j8qv-9mvqNo score
Adobe Animate version 21.0.9 (and earlier) is affected by a Null pointer dereference...
Adobe Animate version 21.0.9 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted FLA file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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-5hv9-j8qv-9mvq- Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
Adobe Animate version 21.0.9 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted FLA file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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-2021-42268- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- 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-2021-42268 is a medium vulnerability (CVSS 5.5) in Adobe Animate, published November 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.79%, the 78th percentile. No source names a fixed version.