CVE-2015-8512

MEDIUMNVD 4.64.6—

4.6

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 v3: 4.6
EG Score: 4.6(medium)
EPSS: 22.3%
KEV: Not listed

Published

January 9, 2016

Last Modified

May 6, 2026

References (4)

security@mozillahttp://www.mozilla.org/security/announce/2015/mfsa2015-151.html
security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1181571
af854a3a-2127-422b-91ae-364da2661108http://www.mozilla.org/security/announce/2015/mfsa2015-151.html
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1181571

Data Freshness Timeline

(refreshed 8× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore

Frequently asked(5)

What is CVE-2015-8512?

CVE-2015-8512 is a medium vulnerability published on January 9, 2016. 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.

When was CVE-2015-8512 disclosed?

CVE-2015-8512 was first published in the National Vulnerability Database on January 9, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-8512 actively exploited?

CVE-2015-8512 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2015-8512?

CVE-2015-8512 has a CVSS v3 base score of 4.6 (NVD).

How do I remediate CVE-2015-8512?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8512, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2015-8512

📅 Published

🔄 Last Modified

🔗 References (4)