CVE-2023-21243
In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate...
In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.
- Record
CVE-2023-21243- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.
- Record
CVE-2023-21243- Updated
- 2026-11-02
EUVDEUVD-2023-25411
In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.
- Record
EUVD-2023-25411- CVSS
- 0.0 None
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5vx9-r389-x79h
In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate...
In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.
- Record
GHSA-5vx9-r389-x79h- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSVASB-A-274445194 No score
In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.
- Record
ASB-A-274445194- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/packages/modules/WifiAndroid |
13-next:0 up to 13-next:2023-07-01, plus listed versions 13-next |
13-next:2023-07-01 |
platform/frameworks/baseAndroid |
11:0 up to 11:2023-07-01, plus listed versions 11 |
11:2023-07-01 |
platform/frameworks/opt/net/wifiAndroid |
11:0 up to 11:2023-07-01, plus listed versions 11 |
11:2023-07-01 |
platform/packages/modules/WifiAndroid |
12:0 up to 12:2023-07-01, plus listed versions 12 |
12:2023-07-01 |
platform/packages/modules/WifiAndroid |
12L:0 up to 12L:2023-07-01, plus listed versions 12L |
12L:2023-07-01 |
platform/packages/modules/WifiAndroid |
13:0 up to 13:2023-07-01, plus listed versions 13 |
13:2023-07-01 |
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-2023-21243 is a medium vulnerability (CVSS 5.5) 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 0.11%, the 1st percentile. Fixed in platform/packages/modules/Wifi 13-next:2023-07-01.