CVE-2023-21227
There is information disclosure.
In HTBLogKM of htbserver.c, there is a possible information disclosure due to log information disclosure. This could lead to local information disclosure in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In HTBLogKM of htbserver.c, there is a possible information disclosure due to log information disclosure. This could lead to local information disclosure in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21227- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
CVE List No score
In HTBLogKM of htbserver.c, there is a possible information disclosure due to log information disclosure. This could lead to local information disclosure in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21227- Updated
- 2026-11-02
EUVDEUVD-2023-25395 No score
In HTBLogKM of htbserver.c, there is a possible information disclosure due to log information disclosure. This could lead to local information disclosure in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2023-25395- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wc2c-986f-h2pp
There is information disclosure.
There is information disclosure.
- Record
GHSA-wc2c-986f-h2pp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVASB-A-291998937 No score
In HTBLogKM of htbserver.c, there is a possible information disclosure due
to log information disclosure. This could lead to local information
disclosure in the kernel with no additional execution privileges needed.
User interaction is not needed for exploitation.
- Record
ASB-A-291998937- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
SoCVersion:0 up to SoCVersion:2023-12-05, plus listed versions SoCVersion |
SoCVersion:2023-12-05 |
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-2023-21227 is a high vulnerability (CVSS 7.5) in Google Android, published December 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. Fixed in :unknown: SoCVersion:2023-12-05.