CVE-2013-6271

high

Published 2013-12-14 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

9.8

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.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

post_android/manage/remove_lock rank 300

Android Settings Remove Device Locks (4.0-4.3)

Source fetch failed: fetch_error — view the original via the link above.

References

CWEs

CWE-264

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.