CVE-2022-23640
CVE-2022-23640 is a critical-severity vulnerability in Excel Streaming Reader Project Excel Streaming Reader with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-776.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-776
- Affected product: Excel Streaming Reader Project Excel Streaming Reader
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2022-23640?
- 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.
- How severe is CVE-2022-23640?
- CVE-2022-23640 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-23640 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-23640?
- CVE-2022-23640 affects Excel Streaming Reader Project Excel Streaming Reader. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-23640?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-23640 published?
- CVE-2022-23640 was published on 2022-03-02 and last updated on 2026-06-17.
References
- https://github.com/monitorjbl/excel-streaming-reader/commit/0749c7b9709db078ccdeada16d46a34bc2910c73
- https://github.com/monitorjbl/excel-streaming-reader/security/advisories/GHSA-xvm2-9xvc-hx7f
Affected products (1)
- cpe:2.3:a:excel_streaming_reader_project:excel_streaming_reader:*:*:*:*:*:*:*:*
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