CVE-2021-32014
Denial of Service in SheetJS Pro
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-32014- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-32014- Updated
- 2026-11-02
EUVDEUVD-2021-1466 No score
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.
- Record
EUVD-2021-1466- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g973-978j-2c3p
Denial of Service in SheetJS Pro
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.
- Record
GHSA-g973-978j-2c3p- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-345, CWE-400
- Updated
- 2026-11-02
OSVGHSA-g973-978j-2c3p
Denial of Service in SheetJS Pro
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.
- Record
GHSA-g973-978j-2c3p- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-345, CWE-400
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
xlsxnpm |
before 0.17.0 | 0.17.0 |
org.webjars.npm:xlsxMaven |
before 0.17.0 | 0.17.0 |
org.webjars.npm:xlsxMaven |
before 0.17.0, plus listed versions 0.12.110.12.130.12.50.14.00.14.1 Show 15 moreShow less0.14.30.14.50.15.00.15.10.15.20.15.30.15.40.15.50.15.60.16.60.16.70.16.80.16.90.8.00.9.13 |
0.17.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-32014 is a medium vulnerability (CVSS 5.5) in Sheetjs, published July 19, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. Fixed in xlsx 0.17.0.