CVE-2023-21394
In Telecomm, there is a possible bypass of a multi user security boundary due to a confused...
In registerPhoneAccount of TelecomServiceImpl.java, there is a possible way to reveal images from another user due to a missing permission check. This could lead to local information disclosure 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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In registerPhoneAccount of TelecomServiceImpl.java, there is a possible way to reveal images from another user due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21394- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
CVE List No score
In registerPhoneAccount of TelecomServiceImpl.java, there is a possible way to reveal images from another user due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21394- Updated
- 2026-11-02
EUVDEUVD-2023-25562 No score
In registerPhoneAccount of TelecomServiceImpl.java, there is a possible way to reveal images from another user due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2023-25562- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j2mm-q34r-gvxp
In Telecomm, there is a possible bypass of a multi user security boundary due to a confused...
In Telecomm, there is a possible bypass of a multi user security boundary due to a confused deputy. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
GHSA-j2mm-q34r-gvxp- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVASB-A-296915211 No score
In registerPhoneAccount of TelecomServiceImpl.java, there is a possible way to reveal images from another user due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-296915211- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/packages/services/TelecommAndroid |
14-next:0 up to 14-next:2023-12-01, plus listed versions 14-next |
14-next:2023-12-01 |
platform/packages/services/TelecommAndroid |
11:0 up to 11:2023-12-01, plus listed versions 11 |
11:2023-12-01 |
platform/packages/services/TelecommAndroid |
12:0 up to 12:2023-12-01, plus listed versions 12 |
12:2023-12-01 |
platform/packages/services/TelecommAndroid |
12L:0 up to 12L:2023-12-01, plus listed versions 12L |
12L:2023-12-01 |
platform/packages/services/TelecommAndroid |
13:0 up to 13:2023-12-01, plus listed versions 13 |
13:2023-12-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21394 is a medium vulnerability (CVSS 5.5) in Google Android, published October 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. Fixed in platform/packages/services/Telecomm 14-next:2023-12-01.