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CVE-2023-41993

Apple Multiple Products WebKit Code Execution

8.8 HIGHActively exploited (CISA KEV)EPSS 24.3%
  1. Published21 Sept 2023
  2. Added to CISA KEV25 Sept 2023
  3. Remediation due16 Oct 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: 25 Sept 2023Federal remediation due: 16 Oct 2023

Description

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

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

Netapp Active Iq Unified Managerall versions
Netapp Cloud Insights Acquisition Unitall versions
Netapp Cloud Insights Storage Workload Security Agentall versions
Netapp Oncommand Insightall versions
Netapp Oncommand Workflow Automationall versions
Oracle Graalvm20.3.13 · 21.3.9
Oracle Jdk1.8.0
Oracle Jre1.8.0
Webkitgtk Webkitgtk+< 2.42.2
Apple iPadOS< 17.0.1
Apple iPhone OS< 17.0.1
Apple macOS< 14.0
Debian Linux11.0 · 12.0
Fedoraproject Fedora37 · 38 · 39

Remediation

Fixed in
Webkitgtk Webkitgtk+≥ 2.42.2
Apple iPadOS≥ 17.0.1
Apple iPhone OS≥ 17.0.1
Apple macOS≥ 14.0

References

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Frequently asked

Is CVE-2023-41993 being actively exploited?

Yes. CVE-2023-41993 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Sept 2023.

How severe is CVE-2023-41993?

CVE-2023-41993 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 24.3% probability of exploitation.

Which products are affected by CVE-2023-41993?

Affected products include Netapp Active Iq Unified Manager, Netapp Cloud Insights Acquisition Unit, Netapp Cloud Insights Storage Workload Security Agent, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, and 9 more.

How do I fix CVE-2023-41993?

Upgrade affected software to a fixed version, for example Webkitgtk Webkitgtk+ 2.42.2, Apple iPadOS 17.0.1, Apple iPhone OS 17.0.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-41993 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.