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01 Record

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:

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 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:

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.47% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 84.4% of scored records. A rank, not a probability.
NVD base score
5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-04-18 18:31Z7 YR AGO
Last updated
2024-08-05 11:58Z2 YR AGO
Reserved
2018-12-18
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-295Improper Certificate ValidationBase
  • CWE-300Channel Accessible by Non-EndpointClass
Data version
5.1
Document digest
d9814328063969f408269a238414a610f09d653ef8d60159552a2b37fa0d7b4c

05 Affected products

VendorProductVersionsPlatforms
redhatjboss_enterprise_bpms_platformNot specified—
redhatjboss_enterprise_brms_platformNot specified—
redhatjboss_fuseNot specified—
redhatopenshiftNot specified—
redhatopenshift_application_runtimesNot specified—
redhatred_hat_single_sign_onNot specified—
squareupokhttpNot specified—

06 References