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CVE-2017-1000209

UnknownEPSS 0.66%

Last modified

CVE-2017-1000209 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.66%

46.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Nv-Websocket-Client ProjectNv-Websocket-Client<= 2.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2017-1000209?
Severity scoring for CVE-2017-1000209 is pending analysis. The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.
How do I fix CVE-2017-1000209?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-1000209?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST