What is the CVSS score of CVE-2023-40417?

CVE-2023-40417 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.8%.

Safari CVE-2023-40417

MEDIUM

2023-09-27 product-security@apple.com

Information Disclosure Apple macOS Ipados Iphone Os Safari Watchos

5.4

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

A window management issue was addressed with improved state management. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

A window management issue was addressed with improved state management. This issue is fixed in Safari 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Visiting a website that frames malicious content may lead to UI spoofing. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Macos, Apple Watchos.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.4 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

DescriptionNVD

Threat Intelligence Overview

EPSS Score

0.8%

Top 47% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.8%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +27

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://support.apple.com/en-us/HT213937 ADVISORY https://support.apple.com/en-us/HT213938 ADVISORY https://support.apple.com/en-us/HT213940 ADVISORY https://support.apple.com/en-us/HT213941 REF http://seclists.org/fulldisclosure/2023/Oct/2 REF http://seclists.org/fulldisclosure/2023/Oct/3 REF http://seclists.org/fulldisclosure/2023/Oct/8 REF http://seclists.org/fulldisclosure/2023/Oct/9 REF https://support.apple.com/kb/HT213937 REF https://support.apple.com/kb/HT213938 REF https://support.apple.com/kb/HT213941

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