CVE-2023-21399
there is a possible way to bypass cryptographic assurances due to a logic error in the code. This...
there is a possible way to bypass cryptographic assurances due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
there is a possible way to bypass cryptographic assurances due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21399- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-327
- Updated
- 2026-11-02
CVE List No score
there is a possible way to bypass cryptographic assurances due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21399- Updated
- 2026-11-02
EUVDEUVD-2023-25567
0.0
there is a possible way to bypass cryptographic assurances due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2023-25567- CVSS
- 0.0 None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mwv7-mvh3-683p
7.8
there is a possible way to bypass cryptographic assurances due to a logic error in the code. This...
there is a possible way to bypass cryptographic assurances due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
GHSA-mwv7-mvh3-683p- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-327
- Updated
- 2026-11-02
OSVPUB-A-275462898 No score
there is a possible way to bypass cryptographic assurances due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-275462898- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
Pixel-family specific:0 up to Pixel-family specific:2023-07-05, plus listed versions Pixel-family specific |
Pixel-family specific:2023-07-05 |
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-2023-21399 is a high vulnerability (CVSS 7.8) in Google Android, published July 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.07%, the 0th percentile. Fixed in :unknown: Pixel-family specific:2023-07-05.