Apple iOS up to 8.4.1 CFNetwork Cookies access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in Apple iOS up to 8.4.1 (Smartphone Operating System). This issue affects an unknown functionality of the component CFNetwork Cookies. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The document.cookie API implementation in the CFNetwork Cookies subsystem in WebKit in Apple iOS before 9 allows remote attackers to bypass an intended single-cookie restriction via unspecified vectors.

The weakness was released 09/16/2015 by Erling Ellingsen (beist) with Facebook as HT205212 as confirmed advisory (Website). It is possible to read the advisory at The identification of this vulnerability is CVE-2015-3801 since 05/07/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/15/2022). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 86270 (Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks.

Upgrading to version 9 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Vulnerability Center (SBV-53141) and Tenable (86270). Entries connected to this vulnerability are available at 9015, 68413, 74127 and 77828.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
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VulDB Base Score: 🔍
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Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 86270
Nessus Name: Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803032
OpenVAS Name: Apple Safari Multiple Vulnerabilities-01 Oct15 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Upgrade: iOS 9


05/07/2015 🔍
09/16/2015 +132 days 🔍
09/16/2015 +0 days 🔍
09/16/2015 +0 days 🔍
09/18/2015 +2 days 🔍
09/18/2015 +0 days 🔍
09/30/2015 +12 days 🔍
10/01/2015 +1 days 🔍
06/15/2022 +2449 days 🔍



Advisory: HT205212
Researcher: Erling Ellingsen (beist)
Organization: Facebook
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3801 (🔍)
SecurityTracker: 1033609
Vulnerability Center: 53141 - Apple Safari &lt;9 Remote Bypass Restrictions in WebKit, Medium
SecurityFocus: 76764 - Apple iOS APPLE-SA-2015-09-16-1 Multiple Security Vulnerabilities

scip Labs:
See also: 🔍


Created: 09/18/2015 01:08 PM
Updated: 06/15/2022 09:11 PM
Changes: 09/18/2015 01:08 PM (71), 02/02/2018 09:19 AM (6), 06/15/2022 09:03 PM (3), 06/15/2022 09:11 PM (1)
Complete: 🔍


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