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CVE-2016-4747

16
FAUCET Score

CVE-2016-4747 describes a vulnerability in Apple iOS before version 10 where the Mail application improperly handles certificates, potentially allowing man-in-the-middle attackers to discover mail credentials. This vulnerability has a low CVSS score of 3.7, indicating a network attack vector with high attack complexity and a low impact on confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, though it did receive limited media coverage at the time of its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.3.5CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.65%
Probability of exploitation in next 30 days
EPSS Percentile
47.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0065 is in the 30th percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2016/Sep/msg00002.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Sep/msg00008.html
support.apple.com / HT207143
Vendor Advisory
securityfocus.com / bid/92932
securitytracker.com / id/1036797