What is CVE-2021-33653?

CVE-2021-33653 is a high-severity vulnerability in Mindspore, classified under Divide By Zero. CVSS score: 7.5/10. Published 2022-06-27.

How severe is CVE-2021-33653?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Mindspore

CVE-2021-33653

When performing the derivation shape operation of the SpaceToBatch operator, if there is a value of 0 in the parameter block_shape element, it will cause a division by 0 exception.

Published 2022-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Mindspore — versions 0.7.0
Openeuler:mindspore — versions >= 0.7.0-beta, < 1.3.0

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

gitee.com/mindspore/community/blob/master/security/security_advisory_list/mssa-… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-33653?: CVE-2021-33653 is a high-severity vulnerability in Mindspore, classified under Divide By Zero. CVSS score: 7.5/10. Published 2022-06-27.
How severe is CVE-2021-33653?: High severity. CVSS v3 base score is 7.5 out of 10.