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CVE-2018-20200
CertificatePinner.java in OkHttp 3.x through 3.12.0 allows man-in-the-middle attackers to bypass certificate pinning by changing…
Medium5.9EPSS 2.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
CertificatePinner.java in OkHttp 3.x through 3.12.0 allows man-in-the-middle attackers to bypass certificate pinning by changing SSLContext and the boolean values while hooking the application. NOTE: This id is disputed because some parties don't consider this is a vulnerability. Their rationale can be found in https://github.com/square/okhttp/issues/4967
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (5 Nov 2026)
Loading the EPSS history…
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
References (15)
- https://square.github.io/okhttp/3.x/okhttp/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/square/okhttp/releases (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/square/okhttp/commits/master (opens in a new tab)x_refsource_MISCx_transferred
- https://cxsecurity.com/issue/WLB-2018120252 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/square/okhttp/issues/4967 (opens in a new tab)x_refsource_MISCx_transferred
- [drill-dev] 20191017 Dependencies used by Drill contain known vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [drill-dev] 20191021 [jira] [Created] (DRILL-7416) Updates required to dependencies to resolve potential security vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [drill-issues] 20191021 [jira] [Created] (DRILL-7416) Updates required to dependencies to resolve potential security vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [flink-user] 20201022 Dependency vulnerabilities with flink 1.11.1 version (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [flink-issues] 20201023 [jira] [Assigned] (FLINK-19784) Upgrade okhttp to 3.13.0 or newer due to CVE-2018-20200 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [flink-issues] 20201023 [jira] [Commented] (FLINK-19784) Upgrade okhttp to 3.13.0 or newer due to CVE-2018-20200 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [flink-issues] 20201023 [jira] [Updated] (FLINK-19784) Upgrade okhttp to 3.13.0 or newer due to CVE-2018-20200 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [flink-issues] 20201026 [jira] [Closed] (FLINK-19784) Upgrade okhttp to 3.13.0 or newer due to CVE-2018-20200 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [flink-issues] 20201026 [jira] [Commented] (FLINK-19784) Upgrade okhttp to 3.13.0 or newer due to CVE-2018-20200 (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 Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-20200)Record last updated .