Vulnerability in Twitter Kit
CVE-2019-16263
The Twitter Kit framework through 3.4.2 for iOS does not properly validate the api.twitter.com SSL certificate. Although the certificate chain must contain one of a set of pinned certificates, there are certain implementation errors such as a lack of hostname verification. NOTE: this is an end-of-life product.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/twitter-archive/twitter-kit-ios/blob/ac42e1351a66afa5ff7718d04d64a90… (Third Party Advisory)
- www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_TwitterKit_for_iOS_CVE-2… (Exploit, Third Party Advisory)
- blog.appicaptor.com/2019/10/04/vulnerable-library-warning-twitterkit-for-ios/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-16263?
- CVE-2019-16263 is a high-severity vulnerability in Twitter Kit, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2019-10-07.
- How severe is CVE-2019-16263?
- High severity. CVSS v3 base score is 7.4 out of 10.