Vulnerability in Apple Mac OS X
CVE-2011-0199
The Certificate Trust Policy component in Apple Mac OS X before 10.6.8 does not perform CRL checking for Extended Validation (EV) certificates that lack OCSP URLs, which might allow man-in-the-middle attackers to spoof an SSL server via a revoked certificate.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.008 (53.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
References
- support.apple.com/kb/HT4723 (Patch, Vendor Advisory)
- lists.apple.com/archives/security-announce/2011//Jun/msg00000.html (vendor-advisory, Patch, Mailing List, Vendor Advisory)
- www.securityfocus.com/bid/48447 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
Frequently asked questions
- What is CVE-2011-0199?
- CVE-2011-0199 is a medium-severity vulnerability in Apple Mac OS X, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2011-06-24.
- How severe is CVE-2011-0199?
- Medium severity. CVSS v3 base score is 5.9 out of 10.