Is CVE-2015-3754 in the CISA KEV catalog?

No. CVE-2015-3754 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-3754?

CVE-2015-3754 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2015-3754?

CVE-2015-3754 has an EPSS score of 1.93% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-3754?

Upgrade Safari to 6.2.8 or later.

CVE & CISA-KEV Catalog

CVE-2015-3754

MEDIUMEPSS 78th pctl

4.3

CVSS v2

NVD

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.

CWE-200Information Exposure

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

1.93%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory3

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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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.