CVSS 3.1
5.9 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NCVE-2016-2402
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.
Severity
- EPSS
- 1.9% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
- CWE
- CWE-295
- Published
- Modified
- Record from
- the NVD, synced
Affected
- squareup:okhttp
- squareup:okhttp3
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-4hc2-jh7r-wrc3 | Maven | com.squareup.okhttp3:okhttp | <2.7.4 | 2.7.4 |
| GHSA-4hc2-jh7r-wrc3 | Maven | com.squareup.okhttp3:okhttp | >=3.0.0 <3.1.2 | 3.1.2 |
References
- http://www.openwall.com/lists/oss-security/2016/02/10/8
- http://www.openwall.com/lists/oss-security/2016/02/18/7
- https://koz.io/pinning-cve-2016-2402/
- https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
- https://publicobject.com/2016/02/11/okhttp-certificate-pinning-vulnerability/