{"id":"CVE-2017-6922","published":"2019-01-22T15:00:00Z","modified":"2024-09-16T19:04:17Z","title":"Files uploaded by anonymous users into a private file system can be accessed by other anonymous users","vendor":"Drupal","product":"Drupal Core","tier":"core","eol":null,"affectedVersions":[{"vendor":"Drupal","product":"Drupal Core","versions":[">= Drupal 8, < 8.3.3",">= Drupal 7, < 7.55"]}],"description":{"text":"In Drupal core 8.x prior to 8.3.4 and Drupal core 7.x prior to 7.56; Private files that have been uploaded by an anonymous user but not permanently attached to content on the site should only be visible to the anonymous user that uploaded them, rather than all anonymous users. Drupal core did not previously provide this protection, allowing an access bypass vulnerability to occur. This issue is mitigated by the fact that in order to be affected, the site must allow anonymous users to upload files into a private file system.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":null,"epss":{"score":0.01947,"percentile":0.80122,"date":"2026-10-28","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2017-06-21","exploitedFirstSeen":"2017-06-21","ransomware":false,"evidence":[{"url":"https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple","date":"2017-06-21"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[],"references":[{"url":"https://www.debian.org/security/2017/dsa-3897","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"http://www.securityfocus.com/bid/99219","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securitytracker.com/id/1038781","tags":["vdb-entry","x_refsource_SECTRACK"]}],"techniques":[{"id":"T1083","name":"File and Directory Discovery","tactics":["discovery"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 1)","mappingType":"uncategorized","evidence":[],"confidence":"low","confidenceNote":"CTID attack_to_cve Phase 1 \"Uncategorized\" mapping (not staged by impact)"},{"id":"T1211","name":"Exploitation for Stealth","tactics":["stealth"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 1)","mappingType":"uncategorized","evidence":[],"confidence":"low","confidenceNote":"CTID attack_to_cve Phase 1 \"Uncategorized\" mapping (not staged by impact)"}],"reports":[],"affected":[{"ecosystem":"Packagist","package":"drupal/core","vulnerableRanges":[">=7.0, <7.56",">=8.0, <8.3.4"],"patched":["7.56","8.3.4"],"from":["GHSA-58f3-cx8p-h8jg"],"provenance":"source"},{"ecosystem":"Packagist","package":"drupal/drupal","vulnerableRanges":[">=8.0, <8.3.4",">=7.0, <7.56"],"patched":["8.3.4","7.56"],"from":["GHSA-58f3-cx8p-h8jg"],"provenance":"source"}],"advisories":[{"id":"GHSA-58f3-cx8p-h8jg","url":"https://github.com/advisories/GHSA-58f3-cx8p-h8jg","severity":"MODERATE","ecosystem":"Packagist","package":"drupal/core","vulnerableRanges":[">=7.0, <7.56"],"patched":["7.56"],"provenance":"source","from":"GHSA"},{"id":"GHSA-58f3-cx8p-h8jg","url":"https://github.com/advisories/GHSA-58f3-cx8p-h8jg","severity":"MODERATE","ecosystem":"Packagist","package":"drupal/core","vulnerableRanges":[">=8.0, <8.3.4"],"patched":["8.3.4"],"provenance":"source","from":"GHSA"},{"id":"GHSA-58f3-cx8p-h8jg","url":"https://github.com/advisories/GHSA-58f3-cx8p-h8jg","severity":"MODERATE","ecosystem":"Packagist","package":"drupal/drupal","vulnerableRanges":[">=8.0, <8.3.4"],"patched":["8.3.4"],"provenance":"source","from":"GHSA"},{"id":"GHSA-58f3-cx8p-h8jg","url":"https://github.com/advisories/GHSA-58f3-cx8p-h8jg","severity":"MODERATE","ecosystem":"Packagist","package":"drupal/drupal","vulnerableRanges":[">=7.0, <7.56"],"patched":["7.56"],"provenance":"source","from":"GHSA"}],"euvd":{"id":"EUVD-2022-2535","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-2535","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"related","techniques":["T1211","T1083"],"provenance":"source","lowConfidence":true}],"timeline":[{"date":"2017-06-21","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple","provenance":"source"},{"date":"2019-01-22","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2017-6922","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":51.0,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 3417 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":16.02,"detail":"percentile 0.8012"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":0.0,"detail":"no CVSS"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"packageHistory":[{"cve":"CVE-2017-6919","published":"2017-04-20","fixed":"8.3.1","kev":false,"link":{"from":"CVE-2017-6919","to":"CVE-2017-6922","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Packagist:drupal/drupal","fromFixed":"8.3.1","toFixed":"8.3.4","daysApart":642},{"kind":"version-step","provenance":"source","package":"Packagist:drupal/core","fromFixed":"8.3.1","toFixed":"8.3.4","daysApart":642}]}},{"cve":"CVE-2017-6920","published":"2018-08-06","fixed":"8.3.4","kev":false},{"cve":"CVE-2017-6921","published":"2019-01-15","fixed":"8.3.4","kev":false},{"cve":"CVE-2017-6922","published":"2019-01-22","fixed":"8.3.4","kev":false},{"cve":"CVE-2017-6923","published":"2019-01-22","fixed":"8.3.7","kev":false,"link":{"from":"CVE-2017-6922","to":"CVE-2017-6923","relation":"successor","confidence":"low","kind":"sequence","orderedBy":"description","evidence":[{"kind":"version-step","provenance":"source","package":"Packagist:drupal/drupal","fromFixed":"8.3.4","toFixed":"8.3.7","daysApart":0},{"kind":"version-step","provenance":"source","package":"Packagist:drupal/core","fromFixed":"8.3.4","toFixed":"8.3.7","daysApart":0}]}},{"cve":"CVE-2017-6924","published":"2019-01-15","fixed":"8.3.7","kev":false,"link":{"from":"CVE-2017-6922","to":"CVE-2017-6924","relation":"successor","confidence":"low","kind":"sequence","orderedBy":"description","evidence":[{"kind":"version-step","provenance":"source","package":"Packagist:drupal/drupal","fromFixed":"8.3.4","toFixed":"8.3.7","daysApart":-7},{"kind":"version-step","provenance":"source","package":"Packagist:drupal/core","fromFixed":"8.3.4","toFixed":"8.3.7","daysApart":-7}]}},{"cve":"CVE-2017-6925","published":"2019-01-15","fixed":"8.3.7","kev":false,"link":{"from":"CVE-2017-6922","to":"CVE-2017-6925","relation":"successor","confidence":"low","kind":"sequence","orderedBy":"description","evidence":[{"kind":"version-step","provenance":"source","package":"Packagist:drupal/drupal","fromFixed":"8.3.4","toFixed":"8.3.7","daysApart":-7},{"kind":"version-step","provenance":"source","package":"Packagist:drupal/core","fromFixed":"8.3.4","toFixed":"8.3.7","daysApart":-7}]}}],"package":"Packagist:drupal/drupal"}}