{"cve":"CVE-2021-39371","nvd":{"published":"2021-08-23T01:15:06.373","modified":"2026-06-17T04:03:38.563","status":"Modified","description":"An XML external entity (XXE) injection in PyWPS before 4.4.5 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-611"],"references":["https://github.com/geopython/OWSLib/issues/790","https://github.com/geopython/pywps/pull/616","https://lists.debian.org/debian-lts-announce/2021/09/msg00001.html","https://github.com/geopython/OWSLib/issues/790","https://github.com/geopython/pywps/pull/616"],"products":["debian:debian_linux","osgeo:owslib","osgeo:pywps"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-39371","score":0.01524,"percentile":0.74657,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p9wf-3xpg-c9g5","url":"https://osv.dev/vulnerability/GHSA-p9wf-3xpg-c9g5","summary":"XML External Entity Injection in PyWPS","modified":"2024-10-24T22:27:01.351492Z","packages":[{"ecosystem":"PyPI","name":"pywps","purl":"pkg:pypi/pywps","ranges":["<4.5.0"],"fixed":["4.5.0"]}]},{"id":"PYSEC-2021-121","url":"https://osv.dev/vulnerability/PYSEC-2021-121","summary":"","modified":"2023-11-08T04:06:35.706904Z","packages":[{"ecosystem":"PyPI","name":"pywps","purl":"pkg:pypi/pywps","ranges":["<4.5.0"],"fixed":["4.5.0"]}]}],"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."]}