CVE-2023-7101
High 7.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Spreadsheet::ParseExcel Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
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.
Metrics
- CVSS 3.1
-
7.8 (HIGH)
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 19% (percentile: 97) as of 2 November 2026
- CWE
- CWE-95, CWE-94
Affected products
jmcnamara: spreadsheet\; debian: debian linux; fedoraproject: fedora
References
- http://www.openwall.com/lists/oss-security/2023/12/29/4 Mailing ListPatchThird Party Advisory
- https://https://github.com/jmcnamara/spreadsheet-parseexcel/commit/bd3159277e74… Broken LinkPatch
- http://www.openwall.com/lists/oss-security/2023/12/29/4 Mailing ListPatchThird Party Advisory
- https://https://github.com/jmcnamara/spreadsheet-parseexcel/commit/bd3159277e74… Broken LinkPatch
- https://github.com/jmcnamara/spreadsheet-parseexcel/blob/c7298592e102a375d43150… Product
- https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-202… Third Party Advisory
- https://https://github.com/haile01/perl_spreadsheet_excel_rce_poc Broken LinkThird Party Advisory
- https://https://metacpan.org/dist/Spreadsheet-ParseExcel Broken LinkProduct
- https://https://www.cve.org/CVERecord?id=CVE-2023-7101 Broken LinkThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00025.html Mailing List