VDB-282148 · CVE-2024-44155 · Nessus 212177

Apple iOS/iPadOS Web access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS. It has been declared as critical. This impacts an unknown function of the component Web Handler. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2024-44155. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS (version now known). It has been declared as critical. This vulnerability affects some unknown processing of the component Web Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity. CVE summarizes:

A custom URL scheme handling issue was addressed with improved input validation. This issue is fixed in Safari 18, iOS 17.7.1 and iPadOS 17.7.1, iOS 18 and iPadOS 18, macOS Sequoia 15, watchOS 11. Maliciously crafted web content may violate iframe sandboxing policy.

The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2024-44155 since 08/20/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/06/2026). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 212177 (Apple Safari 18.0 Multiple Vulnerabilities (121241)), 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 (212177). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Apple

Name

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

ADP CISA Base Score: 6.5
ADP CISA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 212177
Nessus Name: Apple Safari 18.0 Multiple Vulnerabilities (121241)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/20/2024 🔍
10/28/2024 +69 days 🔍
10/28/2024 +0 days 🔍
04/06/2026 +525 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2024-44155 (🔍)
GCVE (CVE): GCVE-0-2024-44155
GCVE (VulDB): GCVE-100-282148
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 10/28/2024 22:44
Updated: 04/06/2026 23:30
Changes: 10/28/2024 22:44 (55), 12/09/2024 17:04 (2), 03/02/2025 16:55 (3), 03/18/2025 21:16 (12), 04/06/2026 23:30 (12)
Complete: 🔍
Cache ID: 216:A1D:103