CVE-2021-33650

CVE-2021-33650 describes an out-of-bounds read vulnerability in MindSpore's SparseToDense operator. Specifically, if the operator receives fewer than three inputs during its inference shape operation, it attempts to access memory beyond allocated heap buffers. This vulnerability carries a CVSS score of 7.5 (High), indicating it can be exploited remotely without user interaction (AV:N/UI:N) to achieve high confidentiality impact (C:H). Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.