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Vulnerability record · CVE-2015-8512 · published 9 January 2016

CVE-2015-8512: Mozilla firefox os improper access control vulnerability

Mozilla · Firefox Os

The lockscreen feature in Mozilla Firefox OS before 2.5 does not properly restrict failed authentication attempts, which makes it easier for physically proximate attackers to obtain access by entering many passcode guesses.

4.6 CVSS 3.0 Medium EPSS 0.32% · top 78.0% CWE-284 · Improper access control
4.6CVSS 3.0 base score, v2 2.1
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The lockscreen feature in Mozilla Firefox OS before 2.5 does not properly restrict failed authentication attempts, which makes it easier for physically proximate attackers to obtain access by entering many passcode guesses.

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.mozilla.org/security/announce/2015/mfsa2015-151.html Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1181571
http://www.mozilla.org/security/announce/2015/mfsa2015-151.html Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1181571

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-8512), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.