CVE-2023-7101Arbitrary Code Execution (ACE) Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Douglas Wilson Spreadsheet::ParseExcel and 3 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jan 2, 2024; federal agencies had to remediate by Jan 23, 2024. Treat that date as your deadline.
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Free account, 1 product
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.
- CVSS
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-95
- Known exploited
- Added to CISA KEV Jan 2, 2024; federal remediation due Jan 23, 2024Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 18.96% (percentile 97)
- Assigned by
- Mandiant
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Douglas Wilson Spreadsheet::ParseExcel douglas_wilson:spreadsheet_parseexcel (from the name) | 0.65 | CNA record |
jmcnamara spreadsheet\ jmcnamara:spreadsheet::parseexcel | from 0.41 through 0.65 | CISA ADP |
debian debian_linux debian:debian_linux | 10 | CISA ADP |
fedoraproject fedora fedoraproject:fedora | 38; 39 | CISA ADP |
jmcnamara spreadsheet::parseexcel jmcnamara:spreadsheet::parseexcel | through 0.65 | NVD |
debian debian_linux debian:debian_linux | 10.0 | NVD |
fedoraproject fedora fedoraproject:fedora | 38; 39 | NVD |
References
- https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0019.mdthird-party-advisory
- https://https://www.cve.org/CVERecord?id=CVE-2023-7101broken-link, third-party-advisory
- https://https://metacpan.org/dist/Spreadsheet-ParseExcelbroken-link, product
- https://https://github.com/haile01/perl_spreadsheet_excel_rce_pocbroken-link, third-party-advisory
- https://github.com/jmcnamara/spreadsheet-parseexcel/blob/c7298592e102a375d43150cd002feed806557c15/lib/Spreadsheet/ParseExcel/Utility.pm#L171product
- http://www.openwall.com/lists/oss-security/2023/12/29/4mailing-list, patch, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00025.htmlmailing-list
- https://https://github.com/jmcnamara/spreadsheet-parseexcel/commit/bd3159277e745468e2c553417b35d5d7dc7405bcbroken-link, patch
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFEHKULQRVXHIV7XXK2RGD4VQN6Y4CV5/broken-link, mailing-list
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M2FIWDHRYTAAQLGM6AFOZVM7AFZ4H2ZR/broken-link, mailing-list
- https://security.metacpan.org/2024/02/10/vulnerable-spreadsheet-parsing-modules.htmlthird-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-7101us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.