Vulnerability in Squareup Okhttp
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 SSLContext and the boolean values while hooking the application. NOTE: This id is disputed because some partie…
Vulnerability class: Improper Certificate Validation
EPSS: 0.025 (82.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Squareup Okhttp
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Product, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2018-20200?
- CVE-2018-20200 is a medium-severity vulnerability in Squareup Okhttp, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2019-04-18.
- How severe is CVE-2018-20200?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2018-20200 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.