CVE-2023-7101
Actively exploited. CVE-2023-7101 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-01-02) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2023-7101 is indexed in Metasploit. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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.
CSIRTS triage
- What
- A remote code execution vulnerability arises from passing unvalidated input into a string-type eval.
- Who is affected
- Users of Spreadsheet::ParseExcel that process untrusted Excel files.
- Urgency
- Immediate action is required due to the critical nature of the vulnerability and confirmed exploitation.
- Action
- Update to the latest version of Spreadsheet::ParseExcel.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2023-7101 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2023-7101: Spreadsheet::ParseExcel Remote Code Execution Vulnerabilitycisa-kev · 2024-01-02
External references
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[](https://www.csirts.com/cve/CVE-2023-7101)