Security readout for executives and security teams
Plain-English summary
CVE-2021-33647 is a memory-safety issue in MindSpore’s Tile operator shape inference. Affected versions may read or write outside allocated heap buffers when given an unexpected input data type. The public sources do not provide CVSS scoring, confirmed impact, or active exploitation evidence.
Executive priority
Prioritize as a dependency hygiene and exposure-reduction item. Escalate urgency if affected MindSpore workloads process external or user-supplied models. Lack of CVSS and exploit evidence keeps business urgency uncertain, not negligible.
Technical view
The issue is classified as CWE-787 and affects openEuler:mindspore versions from 0.7.0-beta before 1.3.0. During Tile operator inference shape handling, non-int and non-int32 input data types can trigger out-of-bounds heap buffer access. Precise consequences are not stated in the provided sources.
Likely exposure
Exposure is likely limited to environments using openEuler MindSpore versions >= 0.7.0-beta and < 1.3.0. Risk is higher where model graphs, operator inputs, or inference workloads can be influenced by untrusted users or external pipelines.
Exploitation context
The bundle does not show CISA KEV listing, public exploitation, exploit maturity, or weaponized details. Treat exploitation status as unconfirmed. Public evidence only supports the existence of the vulnerability and affected version range.
Researcher notes
The sources identify an out-of-bounds heap buffer access in Tile shape inference but do not state whether impact is denial of service, code execution, or data exposure. Validation should focus on affected versions and trust boundaries around model/operator inputs.
Mitigation direction
- Inventory MindSpore installations and identify versions in the affected range.
- Review the MindSpore MSSA-2021-008 advisory for vendor-confirmed remediation.
- Upgrade outside the affected range when vendor guidance confirms the fixed release.
- Limit untrusted model, graph, or operator input reaching affected inference workflows.
- Monitor vendor advisories for corrected packages and operational notes.
Validation and detection
- Check deployed MindSpore package versions against >= 0.7.0-beta and < 1.3.0.
- Review containers, build manifests, and dependency locks for bundled MindSpore versions.
- Identify workflows that invoke Tile operator shape inference on external inputs.
- Confirm remediation status against the vendor advisory, not assumptions.
- Run normal inference regression tests after any vendor-supported upgrade.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-787: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-33647 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://gitee.com/mindspore/community/blob/master/security/security_advisory_list/mssa-2021-008_en.mdCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.