CVE-2018-20200
5.9 · MEDIUMOverview
CVE-2018-20200 is a medium-severity vulnerability affecting squareup okhttp. It was published on April 18, 2019 and has a CVSS 3.0 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Remediation
Check the references section for vendor advisories and patches from squareup. Update okhttp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| squareup | okhttp | 3.0.0 | Affected |
References
Frequently Asked Questions
What is CVE-2018-20200?
CVE-2018-20200 is a medium-severity vulnerability affecting squareup okhttp. It was published on April 18, 2019 and has a CVSS 3.0 base score of 5.9 (MEDIUM).
How severe is CVE-2018-20200?
This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-20200?
Check the references section for vendor advisories and patches from squareup. Update okhttp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-20200?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-20200 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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