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Unrated severityNVD Advisory· Published Sep 19, 2013· Updated Apr 29, 2026

CVE-2013-5156

CVE-2013-5156

Description

The Telephony subsystem in Apple iOS before 7 allows crafted apps to bypass phone call restrictions via direct requests to the telephony daemon, enabling unauthorized calls.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

The Telephony subsystem in Apple iOS before 7 allows crafted apps to bypass phone call restrictions via direct requests to the telephony daemon, enabling unauthorized calls.

Vulnerability

The Telephony subsystem in Apple iOS before version 7 does not require API conformity for access to telephony-daemon interfaces. This allows a crafted app to send direct requests to the daemon without proper authorization, bypassing intended restrictions on phone calls. Affected versions include all iOS releases prior to 7.

Exploitation

An attacker would need to distribute a malicious app to a user running an affected iOS version. The app can then make direct requests to the telephony daemon, which are not properly validated, enabling the app to initiate phone calls without user consent or system prompts.

Impact

A successful exploit allows the attacker to make unauthorized phone calls from the affected device, potentially incurring charges or violating user privacy. The attacker does not gain additional system privileges beyond the app sandbox, but the telephony functionality is accessed without restriction.

Mitigation

Apple addressed this issue in iOS 7, which requires proper API conformity for access to telephony-daemon interfaces. Users should update to iOS 7 or later. No workarounds are available for older versions. The fix is documented in Apple's security content for iOS 7 [1].

References
  1. About the security content of iOS 7 - Apple Support

AI Insight generated on May 23, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

49
  • Apple Inc./Iphone OS48 versions
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*+ 47 more
    • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*range: <=6.1.4
    • cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:1.1.3:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:1.1.4:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:1.1.5:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:2.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:2.0.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:2.0.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:2.0.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:2.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:2.1.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:2.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:2.2.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:3.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:3.0.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:3.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:3.1.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:3.1.3:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:3.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:3.2.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.0.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.0.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.2.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.2.5:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.2.8:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.3.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.3.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.3.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.3.3:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:4.3.5:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:5.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:5.0.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:5.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:5.1.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:6.0:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:6.0.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:6.0.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:6.1:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:6.1.2:*:*:*:*:*:*:*
    • cpe:2.3:o:apple:iphone_os:6.1.3:*:*:*:*:*:*:*
  • Apple Inc./iOSllm-fuzzy
    Range: <7.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

4

News mentions

0

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