MEDIUM
CFNetwork in Apple iOS before 9.1 and OS X before 10.11.1 does not properly consider the uppercase-versus-lowercase distinction during cookie parsing, which allows remote web servers to overwrite cookies via unspecified vectors
Published Oct 23, 2015
5.8
MEDIUMCVSS 2.0
EPSS 1.63%
Description
CFNetwork in Apple iOS before 9.1 and OS X before 10.11.1 does not properly consider the uppercase-versus-lowercase distinction during cookie parsing, which allows remote web servers to overwrite cookies via unspecified vectors.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.63% 0.01628
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01628
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.63% (0.01628) | 75.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.63% (0.01628) | 72.99th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.69% (0.00687) | 70.04th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00305) | 70.61th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00305) | 68.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00305) | 65.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://www.securityfocus.com/bid/77263 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1033929 vdb-entryx_refsource_SECTRACK
- https://support.apple.com/HT205370 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT205375 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://www.securityfocus.com/bid/77263 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1033929 | vdb-entryx_refsource_SECTRACK | |
| https://support.apple.com/HT205370 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT205375 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published Oct 23, 2015
Updated Aug 6, 2024
Reserved Sep 16, 2015
Link CVE-2015-7023
CISA Vulnrichment
Updated n/a