{"cve":"CVE-2019-1000021","nvd":{"published":"2019-02-04T21:29:01.517","modified":"2026-06-17T02:09:29.650","status":"Modified","description":"slixmpp version before commit 7cd73b594e8122dddf847953fcfc85ab4d316416 contains an incorrect Access Control vulnerability in XEP-0223 plugin (Persistent Storage of Private Data via PubSub) options profile, used for the configuration of default access model that can result in all of the contacts of the victim can see private data having been published to a PEP node. This attack appears to be exploitable if the user of this library publishes any private data on PEP, the node isn't configured to be private. This vulnerability appears to have been fixed in commit 7cd73b594e8122dddf847953fcfc85ab4d316416 which is included in slixmpp 1.4.2.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":[],"references":["https://lab.louiz.org/poezio/slixmpp/commit/7cd73b594e8122dddf847953fcfc85ab4d316416","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GKBXN7EAAR7ENEZUBKV6C6MP6QBXYTWT/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WIBP4LD2V4TBJSLZXDUAGQMD6CUI2TZR/","https://xmpp.org/extensions/xep-0223.html#howitworks","https://lab.louiz.org/poezio/slixmpp/commit/7cd73b594e8122dddf847953fcfc85ab4d316416"],"products":["slixmpp_project:slixmpp"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2019-1000021","score":0.02279,"percentile":0.83125,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4g62-mfwx-4q48","url":"https://osv.dev/vulnerability/GHSA-4g62-mfwx-4q48","summary":"slixmpp Incorrect Access Control","modified":"2024-10-22T18:02:18.175315Z","packages":[{"ecosystem":"PyPI","name":"slixmpp","purl":"pkg:pypi/slixmpp","ranges":["<1.4.2"],"fixed":["1.4.2"]}]},{"id":"PYSEC-2019-121","url":"https://osv.dev/vulnerability/PYSEC-2019-121","summary":"","modified":"2026-06-10T17:00:39.980447290Z","packages":[{"ecosystem":"PyPI","name":"slixmpp","purl":"pkg:pypi/slixmpp","ranges":["<1.4.2"],"fixed":["1.4.2"]}]}],"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."]}