CVE-2017-11506 Security feature bypass in Nessus

High 7.4 Published Updated

Nessus fails to verify TLS certificates during initial manager linking, allowing man-in-the-middle attacks to intercept or manipulate traffic.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-11506?

CVE-2017-11506 is a high-severity vulnerability in Tenable Nessus, published on 9 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-295

Which versions are affected by CVE-2017-11506?

It affects 1 product.

Products include Tenable Nessus.

How do I fix CVE-2017-11506?

No fix has been published for CVE-2017-11506 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-11506 being exploited?

There is no known exploitation of CVE-2017-11506 in the wild and no public exploit code.

All Tenable Nessus vulnerabilities

Sources

Also known as GHSA-rgmc-q3r4-jxvv.

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