CVE-2021-0973
In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment...
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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2021-0973- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 1.9 Low
AV:L/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-178
- Updated
- 2026-11-02
CVE List No score
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
- Record
CVE-2021-0973- Updated
- 2026-11-02
EUVDEUVD-2021-3592 No score
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
- Record
EUVD-2021-3592- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-52qv-5pm8-p78h No score
In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment...
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
- Record
GHSA-52qv-5pm8-p78h- Weakness
- CWE-178
- Updated
- 2026-11-02
OSVPUB-A-197328178 No score
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.
- Record
PUB-A-197328178- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/packages/apps/MessagingAndroid |
12:0 up to 12:2021-12-01, plus listed versions 12 |
12:2021-12-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-0973 is a medium vulnerability (CVSS 5.0) in Google Android, published December 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. Fixed in platform/packages/apps/Messaging 12:2021-12-01.