CVE-2016-5104

The socket_create function in common/socket.c in libimobiledevice and libusbmuxd allows remote attackers to bypass intended access restrictions and communicate with services on iOS devices by connecting to an IPv4 TCP socket.

Published: 2016-06-13 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-5104 is rated Moderate Risk (52.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.02%). Core evidence: EPSS rose +1.26% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-5104

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.75% 3.02% +1.26%
2 2026-02-11 0.91% 1.75% +0.85%
3 2025-08-24 0.91%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-5104

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2016-5104

OS Trackers for CVE-2016-5104

vendor priority summary link
debian not yet assigned CVE-2016-5104 not yet assigned priority: Debian including 2 source packages (libimobiledevice, libusbmuxd), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2016-5104
redhat low https://access.redhat.com/security/cve/CVE-2016-5104
suse medium CVE-2016-5104 severity moderate: SUSE including 48 source package names (imobiledevice-tools, imobiledevice-tools-1.2.0+git20170122.45fda81-1.44, …), 183 product×package rows across 61 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise Desktop 12, … (61 product lines)): Fixed 119, Known Not Affected 64. https://www.suse.com/security/cve/CVE-2016-5104/
ubuntu medium CVE-2016-5104 medium priority: Ubuntu including 2 source packages (libimobiledevice, libusbmuxd), 14 status rows across 7 suites (precise, trusty, upstream, wily, xenial, yakkety, zesty): released 7, not-affected 3, DNE 2, needs-triage 2. https://ubuntu.com/security/CVE-2016-5104

Affected software / configurations for CVE-2016-5104

Vendor Product Version Raw CPE
libimobiledevice libimobiledevice <= 1.2.0 cpe:2.3:a:libimobiledevice:libimobiledevice:*:*:*:*:*:*:*:*
libimobiledevice libusbmuxd <= 1.0.10 cpe:2.3:a:libimobiledevice:libusbmuxd:*:*:*:*:*:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 15.10 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
opensuse leap 42.1 cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

References for CVE-2016-5104

cvelogic Threat Intelligence