{"id":"CVE-2021-0973","aliases":["A-197328178","EUVD-2021-3592","GHSA-52qv-5pm8-p78h","PUB-A-197328178"],"status":"published","title":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment...","description":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment due to improper handling of case sensitivity. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197328178","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00137,"percentile":0.03158,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-178"],"published":"2021-12-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/packages/apps/Messaging","fixed_in":["12:2021-12-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/Messaging","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-12-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0973"},{"url":"https://github.com/advisories/GHSA-52qv-5pm8-p78h"},{"url":"https://source.android.com/security/bulletin/2021-12-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/packages/apps/Messaging/+/58ee29c68e1914af680ef0658bdb7a94e4e5e3a3","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0973","description":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment due to improper handling of case sensitivity. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197328178","status":"published","published":"2021-12-15T18:06:48Z","modified":"2024-08-03T15:55:17.951Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3592","description":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment due to improper handling of case sensitivity. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197328178","status":"published","published":"2021-12-15T18:06:48Z","modified":"2024-08-03T15:55:17Z","updated_at":"2026-11-03T03:25:16.085901Z"}],"ghsa":[{"id":"GHSA-52qv-5pm8-p78h","title":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment...","description":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment due to improper handling of case sensitivity. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197328178","status":"published","published":"2021-12-16T00:01:16Z","modified":"2023-02-01T05:06:49Z","cwes":["CWE-178"],"updated_at":"2026-11-02T14:50:25.548742Z"}],"nvd":[{"id":"CVE-2021-0973","description":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment due to improper handling of case sensitivity. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197328178","status":"published","published":"2021-12-15T19:15:12.233Z","modified":"2026-06-17T03:30:44.377Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-178"],"updated_at":"2026-11-02T14:07:02.189991Z"}],"osv":[{"id":"PUB-A-197328178","description":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment  due to improper handling of case sensitivity. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.","status":"published","published":"2021-12-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:07.907985Z"}]}}