What is CVE-2021-32013?

CVE-2021-32013 is a medium-severity vulnerability in Oracle Rest Data Services, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2021-07-19.

How severe is CVE-2021-32013?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Oracle Rest Data Services

CVE-2021-32013

SheetJS and SheetJS Pro through 0.16.9 allows attackers to cause a denial of service (memory consumption) via a crafted .xlsx document that is mishandled when read by xlsx.js (issue 2 of 2).

Vulnerability class: DoS (Denial of Service)

Published 2021-07-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.5% 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

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

sheetjs.com/pro (Product, Vendor Advisory)
www.oracle.com/security-alerts/cpujan2022.html (Patch, Third Party Advisory)
floqast.com/engineering-blog/post/fuzzing-and-parsing-securely/ (Third Party Advisory)
www.npmjs.com/package/xlsx/v/0.17.0 (Product, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32013?: CVE-2021-32013 is a medium-severity vulnerability in Oracle Rest Data Services, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2021-07-19.
How severe is CVE-2021-32013?: Medium severity. CVSS v3 base score is 5.5 out of 10.