MEDIUM
The NSURL implementation in the CFNetwork SSL component in Apple iOS before 9 does not properly verify X.509 certificates from SSL servers after a certificate change, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate
Published Sep 18, 2015
4.3
MEDIUMCVSS 2.0
EPSS 0.38%
Description
The NSURL implementation in the CFNetwork SSL component in Apple iOS before 9 does not properly verify X.509 certificates from SSL servers after a certificate change, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
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.
4.3 MEDIUM NVD
AV:A/AC:M/Au:N/C:P/I:P/A:N
Access Vector Adjacent
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.38% 0.00379
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00379
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 | 0.38% (0.00379) | 29.48th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00379) | 29.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.14% (0.00141) | 31.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00079) | 35.91th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.08% (0.00079) | 34.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00079) | 32.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html vendor-advisoryx_refsource_APPLE
- http://www.securityfocus.com/bid/76764 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1033609 vdb-entryx_refsource_SECTRACK
- https://support.apple.com/HT205212 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT205213 x_refsource_CONFIRM
- https://support.apple.com/HT205267 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html | vendor-advisoryx_refsource_APPLE | |
| http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html | vendor-advisoryx_refsource_APPLE | |
| http://www.securityfocus.com/bid/76764 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1033609 | vdb-entryx_refsource_SECTRACK | |
| https://support.apple.com/HT205212 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT205213 | x_refsource_CONFIRM | |
| https://support.apple.com/HT205267 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published Sep 18, 2015
Updated Aug 6, 2024
Reserved Aug 6, 2015
Link CVE-2015-5824
CISA Vulnrichment
Updated n/a