Improper authentication in Apple Safari
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
This issue was addressed through improved state management. This issue is fixed in Safari 17.6, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6. Private Browsing tabs may be accessed without authentication.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | Safari | before 17.6 | 17.6 | Patch available | CNA |
| Apple | iOS and iPadOS | before 17.6 | 17.6 | Patch available | CNA |
| Apple | macOS | before 14.6 | 14.6 | Patch available | CNA |
- Safari VendorApple Affected before 17.6 Fixed in 17.6 Patch available CNA
- iOS and iPadOS VendorApple Affected before 17.6 Fixed in 17.6 Patch available CNA
- macOS VendorApple Affected before 14.6 Fixed in 14.6 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 17.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 17.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 17.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | before 14.6 | Vulnerable | Apple |
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 17.6 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 17.6 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 17.6 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 14.6 Vulnerable ·Apple
Remediation
- Fix · CNA Safari (Apple) Fixed in 17.6
- Fix · CNA iOS and iPadOS (Apple) Fixed in 17.6
- Fix · CNA macOS (Apple) Fixed in 14.6
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 14.6
22 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM, 19 LOW
Other records, highest priority first
- TI-2024-18485 Buffer overflow in Apple macOSPriority HIGH 65
- TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
- TI-2024-27215 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 40
- Release ·
Apple iOS and iPadOS 17.6
11 records Highest priority Priority LOW 11 LOW
Other records, highest priority first
- TI-2024-27196 Cross-site request forgery in Apple iOS and iPadOSPriority LOW 37
- TI-2024-27203 Apple iOS and iPadOS: An app may be able to bypass Privacy preferencesPriority LOW 35
- TI-2024-27187 Incorrect default permissions in Apple iOS and iPadOSPriority LOW 35
Show 1 more group
- Release ·
Apple Safari 17.6
8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
- TI-2024-27171 Out-of-bounds read in Apple SafariPriority LOW 31
- TI-2024-27158 Use after free in Apple SafariPriority LOW 31
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-40794
- 2026-10-03 Alias added: GHSA-vcmx-3577-7jh3
References
Advisory 6
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-40794 · CVE Program
- CVE-2024-40794 · NVD
- FIRST EPSS
- GHSA-vcmx-3577-7jh3 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-40794 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences