Vulnerability details
CVE-2023-7101
Actively exploited
Debian debian_linuxDouglas Wilson Spreadsheet::ParseExcelFedora Project fedorajmcnamara spreadsheet\
Arbitrary Code Execution (ACE) Vulnerability
CVSS 3.1
7.8High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Debian | debian_linux | 10 | CISA ADP / Vulnrichment |
| Douglas Wilson | Spreadsheet::ParseExcel | 0.65 | CVEProject cvelistV5 (CNA) |
| Fedora Project | fedora | 38 | CISA ADP / Vulnrichment |
| Fedora Project | fedora | 38 | CISA ADP / Vulnrichment |
| Fedora Project | fedora | 39 | CISA ADP / Vulnrichment |
| Fedora Project | fedora | 39 | CISA ADP / Vulnrichment |
| jmcnamara | spreadsheet\ | 0.41 ≤ v ≤ 0.65 | CISA ADP / Vulnrichment |
References and advisories
12- https://https://github.com/haile01/perl_spreadsheet_excel_rce_poc
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-7101 government-resource
- https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0019.md
- https://https://www.cve.org/CVERecord?id=CVE-2023-7101
- https://https://metacpan.org/dist/Spreadsheet-ParseExcel
- https://github.com/jmcnamara/spreadsheet-parseexcel/blob/c7298592e102a375d43150cd002feed806557c15/lib/Spreadsheet/ParseExcel/Utility.pm#L171
- http://www.openwall.com/lists/oss-security/2023/12/29/4
- https://lists.debian.org/debian-lts-announce/2023/12/msg00025.html
- https://https://github.com/jmcnamara/spreadsheet-parseexcel/commit/bd3159277e745468e2c553417b35d5d7dc7405bc
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFEHKULQRVXHIV7XXK2RGD4VQN6Y4CV5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M2FIWDHRYTAAQLGM6AFOZVM7AFZ4H2ZR/
- https://security.metacpan.org/2024/02/10/vulnerable-spreadsheet-parsing-modules.html
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Details
- Published
- 2023-12-25
- Last updated
- 2025-10-22
- State
- Published
- Assigner (CNA)
- Mandiant
- Kolun priority
- 86 · Critical
CISA KEV catalog
- Date added
- 2024-01-02
- Due date
- 2024-01-23
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
18.95%
Probability of exploitation in 30 days
97.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-95Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')