CVE-2021-32014
MEDIUM
5.5
CVSS Score
Published: July 19, 2021 at 01:20 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
3 products affected across 2 vendorsREST Data ServicesSheetjsSheetjs Pro
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.9%
Description
SheetJS and SheetJS Pro through 0.16.9 allows attackers to cause a denial of service (CPU consumption) via a crafted .xlsx document that is mishandled when read by xlsx.js.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 21.2.4
Affected range stops below 21.2.4, so it looks safe — our inference, not a vendor statement
95%
v ≤ 0.16.9
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://floqast.com/engineering-blog/post/fuzzing-and-parsing-securely/x_refsource_MISCProductThird Party Advisory
Source: [email protected]
https://www.npmjs.com/package/xlsx/v/0.17.0x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpujan2022.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400
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