Vulnerability Details : CVE-2017-1000209
The Java WebSocket client nv-websocket-client does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL/TLS servers via an arbitrary valid certificate.
Exploit prediction scoring system (EPSS) score for CVE-2017-1000209
Probability of exploitation activity in the next 30 days: 0.09%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 35 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-1000209
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2017-1000209
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-1000209
-
https://github.com/TakahikoKawasaki/nv-websocket-client/pull/107
Verify that certificate is valid for server hostname by blunden · Pull Request #107 · TakahikoKawasaki/nv-websocket-client · GitHubThird Party Advisory
Products affected by CVE-2017-1000209
- cpe:2.3:a:nv-websocket-client_project:nv-websocket-client:*:*:*:*:*:*:*:*