Is CVE-2016-4644 in the CISA KEV catalog?

No. CVE-2016-4644 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-4644?

CVE-2016-4644 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2016-4644?

CVE-2016-4644 has an EPSS score of 1.33% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-4644?

Upgrade apple tv to 9.2.2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2016-4644

MEDIUM

6.5

CVSS v3

NVD

Description

In iOS before 9.3.3, tvOS before 9.2.2, and OS X El Capitan before v10.11.6 and Security Update 2016-004, a downgrade issue existed with HTTP authentication credentials saved in Keychain. This issue was addressed by storing the authentication types with the credentials.

CWE-200Information Exposure

How to fix

Remediation Available

apple tvNVD

Affected:< 9.2.2Fixed in:9.2.2CVE-2016-4644derived from NVD

iphone osNVD

Affected:< 9.3.3Fixed in:9.3.3CVE-2016-4644derived from NVD

mac osNVD

Affected:>= 10.11.0, < 10.11.6Fixed in:10.11.6CVE-2016-4644derived from NVD

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

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.33%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Vendor 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 2024-11-21.