CVE-2022-23640

Name: CVE-2022-23640
Creator: NVD / NIST
Published: 2022-03-02T20:15:07.837+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.41%

Last modified Jun 17, 2026

CVE-2022-23640 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Excel-Streaming-Reader is an easy-to-use implementation of a streaming Excel reader using Apache POI. Prior to xlsx-streamer 2.1.0, the XML parser that was used did apply all the necessary settings to prevent XML Entity Expansion issues. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

Excel-Streaming-Reader is an easy-to-use implementation of a streaming Excel reader using Apache POI. Prior to xlsx-streamer 2.1.0, the XML parser that was used did apply all the necessary settings to prevent XML Entity Expansion issues. Upgrade to version 2.1.0 to receive a patch. There is no known workaround.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.41%

69.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Excel Streaming Reader Project	Excel Streaming Reader	< 2.1.0

References

https://github.com/monitorjbl/excel-streaming-reader/commit/0749c7b9709db078ccdeada16d46a34bc2910c73Patch, Third Party Advisory
https://github.com/monitorjbl/excel-streaming-reader/security/advisories/GHSA-xvm2-9xvc-hx7fPatch, Third Party Advisory
https://github.com/monitorjbl/excel-streaming-reader/commit/0749c7b9709db078ccdeada16d46a34bc2910c73Patch, Third Party Advisory
https://github.com/monitorjbl/excel-streaming-reader/security/advisories/GHSA-xvm2-9xvc-hx7fPatch, Third Party Advisory

Timeline

Published: Mar 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23640?

How severe is CVE-2022-23640?

CVE-2022-23640 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23640?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23640?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST