CVE-2013-6271

Severity: high (CVSS 8.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-12-14 · updated 2026-06-17
Weakness: CWE-264

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

Android: 4.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1 (+5)

References

http://seclists.org/fulldisclosure/2013/Nov/204
http://www.securitytracker.com/id/1029410
http://www.theregister.co.uk/2013/12/10/android_has_lockbypass_bug/
https://cureblog.de/2013/11/cve-2013-6271-remove-device-locks-from-android-phone/
http://seclists.org/fulldisclosure/2013/Nov/204
http://www.securitytracker.com/id/1029410
http://www.theregister.co.uk/2013/12/10/android_has_lockbypass_bug/
https://cureblog.de/2013/11/cve-2013-6271-remove-device-locks-from-android-phone/

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