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CVE-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…
Medium5.9EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavencom.squareup.okhttp3:okhttpGHSA-4hc2-jh7r-wrc3 (opens in a new tab)
References (5)
- https://koz.io/pinning-cve-2016-2402/ (opens in a new tab)x_refsource_MISCx_transferred
- https://publicobject.com/2016/02/11/okhttp-certificate-pinning-vulnerability/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20160210 CVE request - OkHttp Certificate Pining Bypass (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20160217 Re: CVE request - OkHttp Certificate Pining Bypass (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [pulsar-commits] 20201215 [GitHub] [pulsar] yanshuchong opened a new issue #8967: CVSS issue list (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-4hc2-jh7r-wrc3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .