CVE-2016-4763
WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle
02 Description
WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.19% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 67.8% of scored records. A rank, not a probability.
- NVD base score
- 6.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-09-25 10:00Z10 YR AGO
- Last updated
- 2024-08-06 00:39Z2 YR AGO
- Reserved
- 2016-05-11
- Assigning CNA
- apple
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- d01c55113257bcef4940bd12dc5de6f1caeec2d879781493029c219685383ea5
05 Affected products
06 References
- lists.apple.comAPPLE-SA-2016-09-20-3http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html
- support.apple.comhttps://support.apple.com/HT207157
- support.apple.comhttps://support.apple.com/HT207158
- www.securityfocus.com93066http://www.securityfocus.com/bid/93066
- www.securitytracker.com1036854http://www.securitytracker.com/id/1036854
- support.apple.comhttps://support.apple.com/HT207143
- lists.apple.comAPPLE-SA-2016-09-20-7http://lists.apple.com/archives/security-announce/2016/Sep/msg00012.html
- lists.apple.comAPPLE-SA-2016-09-20-2http://lists.apple.com/archives/security-announce/2016/Sep/msg00007.html
07 Fixed in
Ubuntu 16.04 LTS
- qtwebkit-opensource-src No fix yet
- qtwebkit-source No fix yet
- webkitgtk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.