Secuno
ENNL
Book demo

CVE-2023-37450

Apple Multiple Products WebKit Code Execution

8.8 HIGHActively exploited (CISA KEV)EPSS 18.9%
  1. Published26 Jul 2023
  2. Added to CISA KEV13 Jul 2023
  3. Remediation due3 Aug 2023
Actively exploited (CISA KEV)

Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Added to KEV: 13 Jul 2023Federal remediation due: 3 Aug 2023

Description

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Apple Safari< 16.5.2
Webkitgtk Webkitgtk+< 2.42.3
Apple iPadOS< 16.6
Apple iPhone OS< 16.6
Apple macOS≥ 13.0 < 13.5
Apple Tvos< 16.6
Apple Watchos< 9.6

Remediation

Fixed in
Apple Safari≥ 16.5.2
Webkitgtk Webkitgtk+≥ 2.42.3
Apple iPadOS≥ 16.6
Apple iPhone OS≥ 16.6
Apple macOS≥ 13.5
Apple Tvos≥ 16.6
Apple Watchos≥ 9.6

References

Frequently asked

Is CVE-2023-37450 being actively exploited?

Yes. CVE-2023-37450 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 13 Jul 2023.

How severe is CVE-2023-37450?

CVE-2023-37450 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 18.9% probability of exploitation.

Which products are affected by CVE-2023-37450?

Affected products include Apple Safari, Webkitgtk Webkitgtk+, Apple iPadOS, Apple iPhone OS, Apple macOS, and 2 more.

How do I fix CVE-2023-37450?

Upgrade affected software to a fixed version, for example Apple Safari 16.5.2, Webkitgtk Webkitgtk+ 2.42.3, Apple iPadOS 16.6 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-37450 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.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

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