Apple iOS/iPadOS Webpage information exposure

CVSS Meta Temp Score
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CTI Interest Score
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5.7$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS. It has been rated as problematic. The impacted element is an unknown function of the component Webpage Handler. Performing a manipulation results in information exposure. This vulnerability was named CVE-2024-27850. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Apple iOS and iPadOS (version unknown). This affects an unknown function of the component Webpage Handler. The manipulation with an unknown input leads to a information exposure vulnerability. CWE is classifying the issue as CWE-203. The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. This is going to have an impact on confidentiality. The summary by CVE is:

This issue was addressed with improvements to the noise injection algorithm. This issue is fixed in Safari 17.5, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, visionOS 1.2. A maliciously crafted webpage may be able to fingerprint the user.

The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2024-27850 since 02/26/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for 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 04/04/2026). MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 237469 (Amazon Linux 2 : webkitgtk4 (ALAS-2025-2869)), 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 (237469). 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: 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

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

Exploitinginfo

Class: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
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: 237469
Nessus Name: Amazon Linux 2 : webkitgtk4 (ALAS-2025-2869)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/26/2024 🔍
06/11/2024 +105 days 🔍
06/11/2024 +0 days 🔍
04/04/2026 +662 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2024-27850 (🔍)
GCVE (CVE): GCVE-0-2024-27850
GCVE (VulDB): GCVE-100-267813
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 06/11/2024 07:35
Updated: 04/04/2026 04:27
Changes: 06/11/2024 07:35 (54), 07/04/2024 10:31 (12), 03/24/2025 23:31 (4), 05/30/2025 05:39 (2), 04/04/2026 04:27 (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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