CVE-2024-20816
Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to...
Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.
- Record
CVE-2024-20816- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2024-18531
Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.
- Record
EUVD-2024-18531- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-frmq-mwj6-5m79
Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to...
Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.
- Record
GHSA-frmq-mwj6-5m79- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:H - Updated
- 2026-11-02
NVD
Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.
- Record
CVE-2024-20816- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-20816 is a high vulnerability (CVSS 8.0) in Samsung Android, published February 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.