Apple Safari URL Protocol behavioral workflow

CVSS Meta Temp Score
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CTI Interest Score
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7.1$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple Safari. The impacted element is an unknown function of the component URL Protocol Handler. The manipulation leads to behavioral workflow. This vulnerability is uniquely identified as CVE-2024-44206. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari (affected version not known). It has been rated as critical. This issue affects some unknown functionality of the component URL Protocol Handler. The manipulation with an unknown input leads to a behavioral workflow vulnerability. Using CWE to declare the problem leads to CWE-841. The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue in the handling of URL protocols was addressed with improved logic. This issue is fixed in Safari 17.6, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. A user may be able to bypass some web content restrictions.

The weakness was disclosed by Andreas Jaegersberger and Ro Achterberg with Nosebeard Labs. The advisory is shared at nosebeard.co. The identification of this vulnerability is CVE-2024-44206 since 08/20/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/06/2026).

The vulnerability scanner Nessus provides a plugin with the ID 212176 (Apple Safari 17.6 Multiple Vulnerabilities (120913)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (212176). wsj.com is providing further details. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Researcher Base Score: 9.3
Researcher Vector: 🔍

NVD Base Score: 9.3
NVD Vector: 🔍

CNA Base Score: 5.4
CNA Vector (apple): 🔍

ADP CISA Base Score: 5.4
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Behavioral workflow
CWE: CWE-841 / CWE-840
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 212176
Nessus Name: Apple Safari 17.6 Multiple Vulnerabilities (120913)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/20/2024 🔍
10/24/2024 +65 days 🔍
10/24/2024 +0 days 🔍
04/06/2026 +529 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: nosebeard.co
Researcher: Andreas Jaegersberger, Ro Achterberg
Organization: Nosebeard Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2024-44206 (🔍)
GCVE (CVE): GCVE-0-2024-44206
GCVE (VulDB): GCVE-100-281717
Misc.: 🔍

Entryinfo

Created: 10/24/2024 19:12
Updated: 04/06/2026 17:55
Changes: 10/24/2024 19:12 (53), 10/30/2024 09:20 (21), 11/17/2024 09:46 (17), 11/19/2024 17:01 (6), 12/09/2024 17:20 (2), 03/03/2025 02:50 (3), 04/06/2026 17:55 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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