VulnerabilityModified
CVE-2015-6999
The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate.
MEDIUM 5.0EPSS 1.21%
Does this matter?
Lower severity and a low EPSS score (1.21%). Track it; it rarely justifies an emergency change on its own.
Description
The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 1.21% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-254
- Affected
- apple/iphone os
- Source
- product-security@apple.com
References
- http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.htmlVendor Advisory
- http://www.securityfocus.com/bid/77268
- http://www.securitytracker.com/id/1033929
- https://support.apple.com/HT205370Vendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.htmlVendor Advisory
- http://www.securityfocus.com/bid/77268
- http://www.securitytracker.com/id/1033929
- https://support.apple.com/HT205370Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.