Android 4.0 through 4.3 allows attackers to bypass intended access restrictions and remove device locks via a crafted application that invokes the updateUnlockMethodAndFinish method in the com.android.settings.ChooseLockGeneric class with the PASSWORD_QUALITY_UNSPECIFIED option
Published Dec 14, 2013
8.8
HIGHCVSS 2.0
EPSS 8.03%
Description
Android 4.0 through 4.3 allows attackers to bypass intended access restrictions and remove device locks via a crafted application that invokes the updateUnlockMethodAndFinish method in the com.android.settings.ChooseLockGeneric class with the PASSWORD_QUALITY_UNSPECIFIED option.
Affected products
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 8.03% (0.08030) | 94.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.90% (0.08896) | 94.54th | v5 (v2026.06.15) |
| Jun 4, 2026 | 31.24% (0.31235) | 96.86th | v4 (v2025.03.14) |
| Feb 3, 2026 | 21.72% (0.21718) | 95.62th | v4 (v2025.03.14) |
| Mar 30, 2025 | 20.65% (0.20646) | 95.11th | v4 (v2025.03.14) |
| Mar 29, 2025 | 33.13% (0.33130) | 95.16th | v4 (v2025.03.14) |
| Mar 19, 2025 | 20.65% (0.20646) | 94.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.74% (0.07737) | 91.32th | v4 (v2025.03.14) |
| Jan 7, 2025 | 1.83% (0.01830) | 87.95th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.47% (0.00470) | 76.39th | v3 (v2023.03.01) |
| Feb 14, 2024 | 0.51% (0.00508) | 75.86th | v3 (v2023.03.01) |
| Dec 13, 2023 | 0.51% (0.00508) | 73.86th | v3 (v2023.03.01) |
| Oct 27, 2023 | 0.69% (0.00694) | 77.97th | v3 (v2023.03.01) |
| Sep 10, 2023 | 0.82% (0.00819) | 79.73th | v3 (v2023.03.01) |
| Jul 27, 2023 | 0.74% (0.00743) | 78.47th | v3 (v2023.03.01) |
| Apr 20, 2023 | 0.62% (0.00617) | 75.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00388) | 69.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 20.77% (0.20766) | 96.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 20.77% (0.20766) | 96.20th | v2 (v2022.01.01) |
| Feb 4, 2022 | 20.77% (0.20766) | 94.08th | v2 (v2022.01.01) |
References (4)
- http://seclists.org/fulldisclosure/2013/Nov/204 mailing-listx_refsource_FULLDISCExploit
- http://www.securitytracker.com/id/1029410 vdb-entryx_refsource_SECTRACK
- http://www.theregister.co.uk/2013/12/10/android_has_lockbypass_bug/ x_refsource_MISC
- https://cureblog.de/2013/11/cve-2013-6271-remove-device-locks-from-android-phone/ x_refsource_MISCExploit
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2013/Nov/204 | mailing-listx_refsource_FULLDISCExploit | |
| http://www.securitytracker.com/id/1029410 | vdb-entryx_refsource_SECTRACK | |
| http://www.theregister.co.uk/2013/12/10/android_has_lockbypass_bug/ | x_refsource_MISC | |
| https://cureblog.de/2013/11/cve-2013-6271-remove-device-locks-from-android-phone/ | x_refsource_MISCExploit |
Change history (0)
No recorded changes yet.