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CVE-2019-16263

HIGH
7.4
CVSS Score
Published: October 7, 2019 at 11:19 AM UTC
Updated: June 17, 2026 at 02:22 AM UTC
1 product affected across 1 vendorTwitter Kit

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Severity
HIGH7.4
Exploit prediction
EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Twitter Kit· Twitter
95%
v ≤ 3.4.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://blog.appicaptor.com/2019/10/04/vulnerable-library-warning-twitterkit-for-ios/
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/twitter-archive/twitter-kit-ios/blob/ac42e1351a66afa5ff7718d04d64a905dafe1f41/TwitterCore/TwitterCore/Networking/Security/TWTRServerTrustEvaluator.m#L75-L81
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_TwitterKit_for_iOS_CVE-2019-16263.pdf

CVSS

7.4HIGH[email protected]
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-295

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