How severe is CVE-2015-3754?

CVE-2015-3754 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-3754 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3754?

CVE-2015-3754 affects Apple Safari. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3754?

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

When was CVE-2015-3754 published?

CVE-2015-3754 was published on 2015-08-16 and last updated on 2026-06-17.

CVE-2015-3754

CVE-2015-3754 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 4.3. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Apple Safari
Published: 2015-08-16
Last modified: 2026-06-17

Description

The private-browsing implementation in WebKit in Apple Safari before 6.2.8, 7.x before 7.1.8, and 8.x before 8.0.8 does not prevent caching of HTTP authentication credentials, which makes it easier for remote attackers to track users via a crafted web site.

Frequently asked questions

What is CVE-2015-3754?: The private-browsing implementation in WebKit in Apple Safari before 6.2.8, 7.x before 7.1.8, and 8.x before 8.0.8 does not prevent caching of HTTP authentication credentials, which makes it easier for remote attackers to track users via a crafted web site.
How severe is CVE-2015-3754?: CVE-2015-3754 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-3754 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3754?: CVE-2015-3754 affects Apple Safari. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3754?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3754 published?: CVE-2015-3754 was published on 2015-08-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

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