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CVE

CVE-2024-27821

A path handling issue was addressed with improved validation. This issue is fixed in iOS 17.5 and iPadOS 17.5, macOS Son

A path handling issue was addressed with improved validation. This issue is fixed in iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, watchOS 10.5. A shortcut may output sensitive user data without consent.

MEDIUM · CVSS 4.7 EPSS 0.02355
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

4
apple ipados< 17.5
apple iphone os< 17.5
apple macos>= 14.0 and < 14.5
apple watchos< 10.5
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

4.7
MEDIUM · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 May 2024 · 03:13 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
apple-security120905
apple-security120903
apple-security120902
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2024/May/10Mailing List
http://seclists.org/fulldisclosure/2024/May/12Mailing List
http://seclists.org/fulldisclosure/2024/May/16Mailing List
https://support.apple.com/en-us/HT214101Vendor Advisory
https://support.apple.com/en-us/HT214104Vendor Advisory
https://support.apple.com/en-us/HT214106Vendor Advisory
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