CVE-2021-39734
In sendMessage of OneToOneChatImpl.java (? TBD), there is a possible way to send an RCS message...
In sendMessage of OneToOneChatImpl.java (? TBD), there is a possible way to send an RCS message without permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-208650395References: N/A
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
In sendMessage of OneToOneChatImpl.java (? TBD), there is a possible way to send an RCS message without permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-208650395References: N/A
- Record
CVE-2021-39734- 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 - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-862
- Updated
- 2026-11-02
CVE List No score
In sendMessage of OneToOneChatImpl.java (? TBD), there is a possible way to send an RCS message without permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-208650395References: N/A
- Record
CVE-2021-39734- Updated
- 2026-11-02
EUVDEUVD-2021-26091 No score
In sendMessage of OneToOneChatImpl.java (? TBD), there is a possible way to send an RCS message without permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-208650395References: N/A
- Record
EUVD-2021-26091- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wqjw-8v8x-hw6q
7.8
In sendMessage of OneToOneChatImpl.java (? TBD), there is a possible way to send an RCS message...
In sendMessage of OneToOneChatImpl.java (? TBD), there is a possible way to send an RCS message without permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-208650395References: N/A
- Record
GHSA-wqjw-8v8x-hw6q- 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-276
- Updated
- 2026-11-02
OSVPUB-A-208650395 No score
In sendMessage of OneToOneChatImpl.java (? TBD), there is a possible way to send an RCS message without permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-208650395- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
:0 up to :2022-03-05, plus listed versions Device specific |
:2022-03-05 |
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-2021-39734 is a high vulnerability (CVSS 7.8) in Google Android, published March 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 1st percentile. Fixed in :unknown: :2022-03-05.