CVE-2017-1000209 — MEDIUM (5.9)

Q: How severe is CVE-2017-1000209?

CVE-2017-1000209 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2017-1000209?

Check the references section above for vendor advisories and patch information. Affected products include: Nv-Websocket-Client Project Nv-Websocket-Client.

Vulnerability Description

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.

CVSS Score

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Nv-Websocket-Client Project	Nv-Websocket-Client	<= 2.2

Related Weaknesses (CWE)

CWE-295

References

https://github.com/TakahikoKawasaki/nv-websocket-client/pull/107Third Party Advisory
https://github.com/TakahikoKawasaki/nv-websocket-client/pull/107Third Party Advisory

FAQ

What is CVE-2017-1000209?

CVE-2017-1000209 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 a...

How severe is CVE-2017-1000209?

CVE-2017-1000209 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-1000209?

Check the references section above for vendor advisories and patch information. Affected products include: Nv-Websocket-Client Project Nv-Websocket-Client.