XXE in Excel Streaming Reader Project
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.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Excel Streaming Reader Project
- Monitorjbl Excel-Streaming-Reader — versions < 2.1.0
Weakness classification (CWE)
References
- github.com/monitorjbl/excel-streaming-reader/security/advisories/GHSA-xvm2-9xvc… (Patch, Third Party Advisory)
- github.com/monitorjbl/excel-streaming-reader/commit/0749c7b9709db078ccdeada16d4… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-23640?
- CVE-2022-23640 is a critical-severity vulnerability in Excel Streaming Reader Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2022-03-02.
- How severe is CVE-2022-23640?
- Critical severity. CVSS v3 base score is 9.8 out of 10.