Risk Letters

Exploited vulnerability

CVE-2023-7101

TLP:CLEAR

Spreadsheet::ParseExcel Remote Code Execution Vulnerability

Spreadsheet::ParseExcel contains a remote code execution 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 within the Excel parsing logic.

Facts

  • Vendor: Spreadsheet::ParseExcel
  • Product: Spreadsheet::ParseExcel
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 19 %
  • On CISA's Known Exploited Vulnerabilities list since: 2 January 2024
  • First known exploitation: 2 January 2024
  • CISA's deadline for US federal agencies: 23 January 2024
  • Weakness: CWE-95
  • First seen by Risk Letters: 2 January 2024

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD