Medium severity · published Apr 18, 2019
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…
5.9
CVSS
2.5%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OK
Okhttp · Squareup
3.0.0 through 3.12.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20200
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20200
Exploit
https://cxsecurity.com/issue/WLB-2018120252
Patch
https://github.com/square/okhttp/commits/master
github.com
https://github.com/square/okhttp/issues/4967
Product
https://github.com/square/okhttp/releases
lists.apache.org
https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E
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