CVE-2017-11506

HighCVSS 7.4/10Last modified Jun 17, 2026

Description

When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.

Metrics

CVSS 3.0 7.4/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-295

Affected software

Vendor	Product	Versions
Tenable	Nessus	6.x before 6.11

References

http://www.securitytracker.com/id/1039141Third Party Advisory, VDB Entry
https://www.tenable.com/security/tns-2017-11Vendor Advisory
http://www.securitytracker.com/id/1039141Third Party Advisory, VDB Entry
https://www.tenable.com/security/tns-2017-11Vendor Advisory

Timeline

Published: Aug 9, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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