CISA KEV · Known exploitedHigh

CVE-2023-41990

Apple Multiple Products

The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

CVSS: 7.8
EPSS: 1.35%
CISA KEV: Listed
Published: 2023.09.12

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability1.35%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Apple Multiple Products
Affected versions: unspecified, < 15.7.8, >= 16.0 < 16.3, < 11.7.9, >= 12.0.0 < 12.6.8, >= 13.0 < 13.2, < 16.3, < 9.3
Fixed versions: 15.7.8, 16.3, 11.7.9, 12.6.8, 13.2, 9.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due date: 2024.01.29

1
Identify
Confirm that Apple Multiple Products and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: Not available
KEV added: 2024.01.08
Ransomware use: 미확인