How severe is CVE-2015-8512?

CVE-2015-8512 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2015-8512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8512?

CVE-2015-8512 affects Mozilla Firefox Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8512?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-8512 published?

CVE-2015-8512 was published on 2016-01-09 and last updated on 2026-06-17.

CVE-2015-8512

CVE-2015-8512 is a medium-severity vulnerability in Mozilla Firefox Os with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Mozilla Firefox Os
Published: 2016-01-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2015-8512?: 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.
How severe is CVE-2015-8512?: CVE-2015-8512 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2015-8512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8512?: CVE-2015-8512 affects Mozilla Firefox Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8512?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8512 published?: CVE-2015-8512 was published on 2016-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:mozilla:firefox_os:*:*:*:*:*:*:*:*

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