Is CVE-2024-27821 in the CISA KEV catalog?

No. CVE-2024-27821 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-27821?

CVE-2024-27821 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2024-27821?

CVE-2024-27821 has an EPSS score of 0.92% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27821?

Upgrade ipados to 17.5 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2024-27821

MEDIUM

4.7

CVSS v3

NVD

Description

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.

CWE-22Path Traversal

How to fix

Remediation Available

ipadosNVD

Affected:< 17.5Fixed in:17.5CVE-2024-27821derived from NVD

iphone osNVD

Affected:< 17.5Fixed in:17.5CVE-2024-27821derived from NVD

macosNVD

Affected:>= 14.0, < 14.5Fixed in:14.5CVE-2024-27821derived from NVD

watchosNVD

Affected:< 10.5Fixed in:10.5CVE-2024-27821derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploit Intelligence

0.92%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory6

Mailing List3

Other references3

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-02.