Is CVE-2015-3751 in the CISA KEV catalog?

No. CVE-2015-3751 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-3751?

CVE-2015-3751 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2015-3751?

CVE-2015-3751 has an EPSS score of 2.66% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-3751?

Upgrade Safari to 6.2.8 or later.

CVE & CISA-KEV Catalog

CVE-2015-3751

MEDIUMEPSS 84th pctl

5.0

CVSS v2

NVD

Description

WebKit in Apple Safari before 6.2.8, 7.x before 7.1.8, and 8.x before 8.0.8, as used in iOS before 8.4.1 and other products, allows remote attackers to bypass a Content Security Policy protection mechanism by using a video control in conjunction with an IMG element within an OBJECT element.

CWE-254

How to fix

Remediation Available

SafariWindows application

Affected:6.0 6.2.8Fixed in:6.2.8Apple Inc.

Affected:7.0 7.1.8Fixed in:7.1.8Apple Inc.

Affected:8.0 8.0.8Fixed in:8.0.8Apple Inc.

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.66%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Vendor Advisory4

Third-Party Advisory3

Embed a live status badge for CVE-2015-3751

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.