Apple iOS/iPadOS up to 13.x Web Contents use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS and iPadOS up to 13.x. Affected is an unknown function of the component Web Contents Handler. Executing a manipulation can lead to use after free. This vulnerability appears as CVE-2020-9947. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 13.x (Smartphone Operating System). It has been declared as critical. This vulnerability affects an unknown part of the component Web Contents Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 12/09/2020 as HT211850. The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2020-9947. 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 07/09/2025). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 241427 (RHEL 7 : webkitgtk4 (RHSA-2025:10364)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 14.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (241427). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: 241427
Nessus Name: RHEL 7 : webkitgtk4 (RHSA-2025:10364)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS/iPadOS 14.0

Timelineinfo

03/02/2020 🔍
12/09/2020 +282 days 🔍
12/09/2020 +0 days 🔍
07/09/2025 +1673 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211850
Status: Confirmed

CVE: CVE-2020-9947 (🔍)
GCVE (CVE): GCVE-0-2020-9947
GCVE (VulDB): GCVE-100-165868
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/09/2020 13:04
Updated: 07/09/2025 03:28
Changes: 12/09/2020 13:04 (34), 12/09/2020 13:05 (7), 12/14/2020 19:42 (2), 12/14/2020 19:46 (18), 07/09/2025 03:28 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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