CVE-2023-7101: Spreadsheet::ParseExcel Remote Code Execution Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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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Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-7101
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2023-7101Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2023-7101 | coverage & exploitation status | NVD · CVE.org |
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