CVE-2023-20657
In mtee, there is a possible out of bounds write due to a missing bounds check. This could lead...
In mtee, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07571485; Issue ID: ALPS07571485.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In mtee, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07571485; Issue ID: ALPS07571485.
- Record
CVE-2023-20657- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List
In mtee, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07571485; Issue ID: ALPS07571485.
- Record
CVE-2023-20657- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2023-24836
In mtee, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07571485; Issue ID: ALPS07571485.
- Record
EUVD-2023-24836- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4qvr-2hph-h947
In mtee, there is a possible out of bounds write due to a missing bounds check. This could lead...
In mtee, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07571485; Issue ID: ALPS07571485.
- Record
GHSA-4qvr-2hph-h947- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
- google android
- mediatek, inc. mt6580, mt6735, mt6737, mt6739, mt6753, mt6761, mt6765, mt6768, mt6771, mt6779, mt6781, mt6785, mt6789, mt6833, mt6853, mt6853t, mt6855, mt6873, mt6877, mt6879, mt6883, mt6885, mt6889, mt6893, mt6983, mt8321, mt8385, mt8765, mt8766, mt8768, mt8771, mt8781, mt8786, mt8788, mt8789, mt8791t, mt8795t, mt8797, mt8798
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
SoCVersion:0 up to SoCVersion:2023-04-05, plus listed versions SoCVersion |
SoCVersion:2023-04-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-20657 is a medium vulnerability (CVSS 6.7) in Google Android, published April 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.09%, the 0th percentile. Fixed in :unknown: SoCVersion:2023-04-05.