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CVE-2023-7101

7.8
HIGHCVSS v3.1 Base Score
55.71%
MEDIUM RiskEPSS (98th percentile)
KEV

Spreadsheet::ParseExcel version 0.65 is a Perl module used for parsing Excel files. Spreadsheet::ParseExcel is vulnerable to an arbitrary code execution (ACE) vulnerability due to passing unvalidated input from a file into a string-type “eval”. Specifically, the issue stems from the evaluation of Number format strings (not to be confused with printf-style format strings) within the Excel parsing logic.

Published: 12/24/2023
Modified: 10/24/2025
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Spreadsheet::ParseExcel Remote Code Execution Vulnerability

Vendor / Product:

Spreadsheet::ParseExcel Spreadsheet::ParseExcel

Required Action:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due Date: 1/23/2024(OVERDUE)
Added to KEV:

1/2/2024

Notes:

This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://metacpan.org/dist/Spreadsheet-ParseExcel and Barracuda's specific implementation and fix for their downstream issue CVE-2023-7102 at https://www.barracuda.com/company/legal/esg-vulnerability; https://nvd.nist.gov/vuln/detail/CVE-2023-7101

Vulnerability Summary

CVSS v3 Score

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Score (Exploitation Probability)

55.71%MEDIUM Exploitation Risk
98th percentile

This vulnerability has a 55.71% probability of being exploited in the next 30 days, ranking higher than 98% of all scored CVEs.

CWE Classification

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Similar SeverityHIGH