Is CVE-2023-7101 actively exploited?

Yes. CVE-2023-7101 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-7101 be exploited remotely?

The attack vector of CVE-2023-7101 has not been classified yet.

What is the CVSS score of CVE-2023-7101?

CVE-2023-7101 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-7101

HIGHCISA KEVIN THE WILD

CVE-2023-7101

Published: January 2, 2024

EPSS:83.31%probability of exploitation in 30 daysPercentile:99.2th

Official Description

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.

NVD Source

CISA KEV Advisory

Spreadsheet::ParseExcel Remote Code Execution Vulnerability

Added to KEV: 2024-01-02Federal patch deadline: 2024-01-23

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

Spreadsheet::ParseExcel is vulnerable to remote code execution due to improper validation of input from a file, specifically within the evaluation of Number format strings. The high EPSS score of 0.83314 and inclusion in CISA's KEV indicate a significant risk of exploitation.

This vulnerability has been observed under active exploitation in the wild, confirming its use by attackers. Exploitation can occur when processing a specially crafted Excel file.

Recommended Action

Users of Spreadsheet::ParseExcel should update to the latest version that includes a fix for this remote code execution vulnerability. Implement strict validation for all input files, especially those from untrusted sources.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-7101 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-7101 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.