{"cve":"CVE-2017-5992","nvd":{"published":"2017-02-15T19:59:01.283","modified":"2026-06-17T01:21:34.953","status":"Modified","description":"Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:H","score":8.2},"cwes":["CWE-611"],"references":["http://www.openwall.com/lists/oss-security/2017/02/07/5","https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1","https://bitbucket.org/openpyxl/openpyxl/issues/749","https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854442","http://www.openwall.com/lists/oss-security/2017/02/07/5"],"products":["python:openpyxl"],"source":"nvd","synced_at":"2026-10-19T20:41:54.846948762+00:00"},"epss":{"cve":"CVE-2017-5992","score":0.01411,"percentile":0.72681,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-chqf-hx79-gxc6","url":"https://osv.dev/vulnerability/GHSA-chqf-hx79-gxc6","summary":"Improper Restriction of XML External Entity Reference in Openpyxl","modified":"2024-10-07T21:35:38.976036Z","packages":[{"ecosystem":"PyPI","name":"openpyxl","purl":"pkg:pypi/openpyxl","ranges":["<2.4.2"],"fixed":["2.4.2"]}]},{"id":"PYSEC-2017-48","url":"https://osv.dev/vulnerability/PYSEC-2017-48","summary":"","modified":"2023-11-08T03:59:23.709780Z","packages":[{"ecosystem":"PyPI","name":"openpyxl","purl":"pkg:pypi/openpyxl","ranges":["<2.4.1"],"fixed":["2.4.1"]}]}],"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."]}