CVE-2021-40763
Published: 16 March 2022
Summary
CVE-2021-40763 is a high-severity Access of Memory Location After End of Buffer (CWE-788) vulnerability in Adobe Character Animator. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 24.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-27928
Vulnerability details
Adobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a WAF file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.
Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.
Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.
Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.