CVE-2023-7101

Spreadsheet::ParseExcel Remote Code Execution Vulnerability

n/a

CVSS

16.8%

EPSS (exploit prob.)

96.7%

EPSS percentile

Yes

Actively exploited

Ransomware use

2024-01-02

Added

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

Technique	Name	Relationship
T1190	Exploit Public-Facing Application	exploitation technique
T1059	Command and Scripting Interpreter	primary impact
T1105	Ingress Tool Transfer	secondary impact

Summary

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.

Affected software

Vendor: Spreadsheet::ParseExcel · Product: Spreadsheet::ParseExcel

Weakness types (CWE):

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

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