Apple macOS downgrade

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS. It has been rated as problematic. This affects an unknown function. The manipulation leads to downgrade. This vulnerability is documented as CVE-2024-40774. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple macOS (version unknown). It has been rated as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a downgrade vulnerability. Using CWE to declare the problem leads to CWE-757. A protocol or its implementation supports interaction between multiple actors and allows those actors to negotiate which algorithm should be used as a protection mechanism such as encryption or authentication, but it does not select the strongest algorithm that is available to both parties. The impact remains unknown. The summary by CVE is:

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in iOS 17.6 and iPadOS 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8, tvOS 17.6, watchOS 10.6. An app may be able to bypass Privacy preferences.

It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2024-40774 since 07/10/2024. The exploitation is known to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1562.010 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (apple): 🔍

ADP CISA Base Score: 5.9
ADP CISA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Downgrade
CWE: CWE-757
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2024 🔍
07/30/2024 +20 days 🔍
07/30/2024 +0 days 🔍
04/04/2026 +613 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2024-40774 (🔍)
GCVE (CVE): GCVE-0-2024-40774
GCVE (VulDB): GCVE-100-272951
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/30/2024 10:12
Updated: 04/04/2026 07:31
Changes: 07/30/2024 10:12 (53), 07/31/2024 06:38 (1), 08/21/2024 00:04 (12), 10/29/2024 05:02 (10), 04/04/2026 07:31 (10)
Complete: 🔍
Cache ID: 216:42D:103

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