CVE-2016-2402

Description

OkHttp before 2.7.4 and 3.x before 3.1.2 allows man-in-the-middle attackers to bypass certificate pinning by sending a certificate chain with a certificate from a non-pinned trusted CA and the pinned certificate.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.26% Top 15%
Vendor Advisory publicobject.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://koz.io/pinning-cve-2016-2402/ third party advisory technical description
https://publicobject.com/2016/02/11/okhttp-certificate-pinning-vulnerability/ vendor advisory
http://www.openwall.com/lists/oss-security/2016/02/10/8 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2016/02/18/7 third party advisory mailing list
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2016-2402?
CVE-2016-2402 has been scored as a medium severity vulnerability.
How to fix CVE-2016-2402?
To fix CVE-2016-2402, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2402 being actively exploited in the wild?
It is possible that CVE-2016-2402 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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