01 Record
CVE-2016-2402
OkHttp before 2.7.4 and 3.x before 3.1.2 allows man-in-the-middle attackers to bypass certificate pinning by sending a certificate chain with a certificate from a non-pinned trusted CA and the pinned
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
OkHttp before 2.7.4 and 3.x before 3.1.2 allows man-in-the-middle attackers to bypass certificate pinning by sending a certificate chain with a certificate from a non-pinned trusted CA and the pinned
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
- 1.94% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 79.5% 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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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
- 2017-01-30 22:00Z9 YR AGO
- Last updated
- 2024-08-05 23:24Z2 YR AGO
- Reserved
- 2016-02-17
- 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
- Data version
- 5.1
- Document digest
- 624d17e0c44b8d1cd26a73702e9b0e84bdb9acf1eba4cdc49d2ce295016cc962
05 Affected products
06 References
- koz.iohttps://koz.io/pinning-cve-2016-2402/
- publicobject.comhttps://publicobject.com/2016/02/11/okhttp-certificate-pinning-vulnerability/
- www.openwall.com[oss-security] 20160210 CVE request - OkHttp Certificate Pining Bypasshttp://www.openwall.com/lists/oss-security/2016/02/10/8
- www.openwall.com[oss-security] 20160217 Re: CVE request - OkHttp Certificate Pining Bypasshttp://www.openwall.com/lists/oss-security/2016/02/18/7
- lists.apache.org[pulsar-commits] 20201215 [GitHub] [pulsar] yanshuchong opened a new issue #8967: CVSS issue listhttps://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E