Apple iOS up to 4.0.0 resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic was found in Apple iOS up to 4.0.0 (Smartphone Operating System). This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The kernel in Apple iOS before 5 and Apple TV before 4.4 does not properly recover memory allocated for incomplete TCP connections, which allows remote attackers to cause a denial of service (resource consumption) by making many connection attempts.

The weakness was presented 10/14/2011 with Apple (Website). The advisory is shared for download at This vulnerability was named CVE-2011-3259 since 08/19/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 60026 (Apple iOS < 5.0 Multiple Vulnerabilities (BEAST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mobile Devices.

Upgrading to version 4.0.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (70530) and Tenable (60026).







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Resource management
CWE: CWE-399 / CWE-404

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 60026
Nessus Name: Apple iOS < 5.0 Multiple Vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 4.0.1


08/19/2011 🔍
10/12/2011 +54 days 🔍
10/12/2011 +0 days 🔍
10/14/2011 +2 days 🔍
10/14/2011 +0 days 🔍
12/22/2014 +1165 days 🔍
03/23/2015 +91 days 🔍
11/24/2021 +2438 days 🔍



Organization: Apple
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3259 (🔍)
X-Force: 70530
Vulnerability Center: 47755 - Apple iOS <5 and Apple TV <4.4 kernel Remote DoS Vulnerability via Resource Consumption, Medium
SecurityFocus: 50087 - Apple Kernel TCP Exhaustion Denial of Service Vulnerability

scip Labs:


Created: 03/23/2015 04:50 PM
Updated: 11/24/2021 02:47 AM
Changes: 03/23/2015 04:50 PM (60), 06/16/2017 04:27 AM (6), 11/24/2021 02:47 AM (4)
Complete: 🔍
Cache ID: 3:300:40


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