MEDIUM
Apple Online Store Kit in Apple OS X before 10.11 improperly validates iCloud keychain item ACLs, which allows attackers to obtain access to keychain items via a crafted app
Published Oct 9, 2015
4.3
MEDIUMCVSS 2.0
EPSS 1.44%
Description
Apple Online Store Kit in Apple OS X before 10.11 improperly validates iCloud keychain item ACLs, which allows attackers to obtain access to keychain items via a crafted app.
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:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.44% 0.01435
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01435
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 | 1.44% (0.01435) | 72.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.44% (0.01435) | 69.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00430) | 60.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.15% (0.00154) | 53.07th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.15% (0.00154) | 51.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00154) | 49.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://www.securitytracker.com/id/1033703 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.apple.com/HT205267 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://www.securitytracker.com/id/1033703 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.apple.com/HT205267 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published Oct 9, 2015
Updated Aug 6, 2024
Reserved Aug 6, 2015
Link CVE-2015-5836
CISA Vulnrichment
Updated n/a