Sheetjs
CVE-2021-32012
MEDIUM
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
1Blast Radius
ecosystem impact- 101 npm packages depend on xlsx (33 direct, 68 indirect)
Ecosystem-wide dependent count for version 0.17.0.
DescriptionNVD
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 1 of 2).
AnalysisAI
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 1 of 2). Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
Technical ContextAI
This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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 1 of 2). Affected products include: Sheetjs Project Sheetjs, Sheetjs Project Sheetjs Pro, Oracle Rest Data Services. Version information: through 0.16.9.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.
SheetJS Community Edition before 0.19.3 allows Prototype Pollution via a crafted file. Rated high severity (CVSS 7.8), t
SheetJS and SheetJS Pro through 0.16.9 allows attackers to cause a denial of service (CPU consumption) via a crafted .xl
SheetJS and SheetJS Pro through 0.16.9 allows attackers to cause a denial of service (memory consumption) via a crafted
Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today