CVE-2022-20377
In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth...
In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth to use a known HMAC key. 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-222339795References: N/A
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 TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth to use a known HMAC key. 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-222339795References: N/A
- Record
CVE-2022-20377- 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
CVE List No score
In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth to use a known HMAC key. 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-222339795References: N/A
- Record
CVE-2022-20377- Updated
- 2026-11-02
EUVDEUVD-2022-25637 No score
In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth to use a known HMAC key. 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-222339795References: N/A
- Record
EUVD-2022-25637- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pr4w-5j3v-gj63
In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth...
In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth to use a known HMAC key. 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-222339795References: N/A
- Record
GHSA-pr4w-5j3v-gj63- 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
OSVPUB-A-222339795 No score
In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth to use a known HMAC key. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-222339795- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
qt:0 up to qt:2022-08-05, plus listed versions qt |
qt:2022-08-05 |
:unknown:Android |
rvc:0 up to rvc:2022-08-05, plus listed versions rvc |
rvc:2022-08-05 |
:unknown:Android |
rvc-qpr:0 up to rvc-qpr:2022-08-05, plus listed versions rvc-qpr |
rvc-qpr:2022-08-05 |
:unknown:Android |
sc:0 up to sc:2022-08-05, plus listed versions sc |
sc:2022-08-05 |
:unknown:Android |
sc-v2:0 up to sc-v2:2022-08-05, plus listed versions sc-v2 |
sc-v2:2022-08-05 |
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-2022-20377 is a medium vulnerability (CVSS 6.7) in Google Android, published August 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: qt:2022-08-05.