CVE-2015-6997 is a vulnerability in Apple iOS before version 9.1 and watchOS that stems from a flaw in its X.509 certificate-trust implementation. The system fails to properly interpret the kSecRevocationRequirePositiveResponse flag, which should enforce revocation checking. This oversight allows man-in-the-middle attackers to spoof endpoints using revoked certificates, with a CVSS score of 4.3 indicating a medium attack complexity and potential for partial integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 9.0.2CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
<= 2.0CPE matchmatch criteria | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N
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