CVE-2023-21190
In btm_acl_encrypt_change of btm_acl.cc, there is a possible way for a remote device to turn off...
In btm_acl_encrypt_change of btm_acl.cc, there is a possible way for a remote device to turn off encryption without resulting in a terminated connection due to an unusual root cause. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-251436534
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 btm_acl_encrypt_change of btm_acl.cc, there is a possible way for a remote device to turn off encryption without resulting in a terminated connection due to an unusual root cause. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-251436534
- Record
CVE-2023-21190- 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 - Updated
- 2026-11-02
CVE List No score
In btm_acl_encrypt_change of btm_acl.cc, there is a possible way for a remote device to turn off encryption without resulting in a terminated connection due to an unusual root cause. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-251436534
- Record
CVE-2023-21190- Updated
- 2026-11-02
EUVDEUVD-2023-25358 No score
In btm_acl_encrypt_change of btm_acl.cc, there is a possible way for a remote device to turn off encryption without resulting in a terminated connection due to an unusual root cause. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-251436534
- Record
EUVD-2023-25358- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pr2x-5q4j-v542
In btm_acl_encrypt_change of btm_acl.cc, there is a possible way for a remote device to turn off...
In btm_acl_encrypt_change of btm_acl.cc, there is a possible way for a remote device to turn off encryption without resulting in a terminated connection due to an unusual root cause. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-251436534
- Record
GHSA-pr2x-5q4j-v542- 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 - Updated
- 2026-11-02
OSVPUB-A-251436534 No score
In btm_acl_encrypt_change of btm_acl.cc, there is a possible way for a remote device to turn off encryption without resulting in a terminated connection due to an unusual root cause. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.
- Record
PUB-A-251436534- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/packages/modules/BluetoothAndroid |
13-next:0 up to 13-next:2023-06-01, plus listed versions 13-next |
13-next:2023-06-01 |
platform/packages/modules/BluetoothAndroid |
13:0 up to 13:2023-06-01, plus listed versions 13 |
13:2023-06-01 |
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-2023-21190 is a medium vulnerability (CVSS 5.0) in Google Android, published June 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.08%, the 0th percentile. Fixed in platform/packages/modules/Bluetooth 13-next:2023-06-01.