{"cve":"CVE-2017-5644","nvd":{"published":"2017-03-24T14:59:00.273","modified":"2026-06-17T01:20:54.913","status":"Modified","description":"Apache POI in versions prior to release 3.15 allows remote attackers to cause a denial of service (CPU consumption) via a specially crafted OOXML file, aka an XML Entity Expansion (XEE) attack.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-776"],"references":["http://poi.apache.org/#20+March+2017+-+CVE-2017-5644+-+Possible+DOS+%28Denial+of+Service%29+in+Apache+POI+versions+prior+to+3.15","http://www.securityfocus.com/bid/96983","https://www.oracle.com/security-alerts/cpuoct2020.html","http://poi.apache.org/#20+March+2017+-+CVE-2017-5644+-+Possible+DOS+%28Denial+of+Service%29+in+Apache+POI+versions+prior+to+3.15","http://www.securityfocus.com/bid/96983"],"products":["apache:poi"],"source":"nvd","synced_at":"2026-10-19T20:42:09.859288039+00:00"},"epss":{"cve":"CVE-2017-5644","score":0.04595,"percentile":0.91657,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-78vv-qj73-h9m5","url":"https://osv.dev/vulnerability/GHSA-78vv-qj73-h9m5","summary":"Improper Restriction of Recursive Entity References in DTDs in Apache POI","modified":"2023-11-08T03:59:22.496542Z","packages":[{"ecosystem":"Maven","name":"org.apache.poi:poi","purl":"pkg:maven/org.apache.poi/poi","ranges":["<3.15"],"fixed":["3.15"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}