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CVE-2024-44309

Apple Multiple Products Cross-Site Scripting (XSS)

6.3 MEDIUMActively exploited (CISA KEV)EPSS 22.6%
  1. Published19 Nov 2024
  2. Added to CISA KEV21 Nov 2024
  3. Remediation due12 Dec 2024
Actively exploited (CISA KEV)

Apple iOS, macOS, and other Apple products contain an unspecified vulnerability when processing maliciously crafted web content that may lead to a cross-site scripting (XSS) attack.

Added to KEV: 21 Nov 2024Federal remediation due: 12 Dec 2024

Description

A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected products

Apple Safari< 18.1.1
Apple iPadOS≥ 18.0 < 18.1.1 · < 17.7.2
Apple iPhone OS≥ 18.0 < 18.1.1 · < 17.7.2
Apple macOS≥ 15.0 < 15.1.1
Apple Visionos< 2.1.1
Debian Linux11.0

Remediation

Fixed in
Apple Safari≥ 18.1.1
Apple iPadOS≥ 18.1.1
Apple iPhone OS≥ 18.1.1
Apple macOS≥ 15.1.1
Apple Visionos≥ 2.1.1

References

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Frequently asked

Is CVE-2024-44309 being actively exploited?

Yes. CVE-2024-44309 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 21 Nov 2024.

How severe is CVE-2024-44309?

CVE-2024-44309 has a CVSS 3.1 base score of 6.3, rated medium. EPSS estimates a 22.6% probability of exploitation.

Which products are affected by CVE-2024-44309?

Affected products include Apple Safari, Apple iPadOS, Apple iPhone OS, Apple macOS, Apple Visionos, and 1 more.

How do I fix CVE-2024-44309?

Upgrade affected software to a fixed version, for example Apple Safari 18.1.1, Apple iPadOS 18.1.1, Apple iPhone OS 18.1.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-44309 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.