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This script is Copyright (C) 2010-2017 Tenable Network Security, Inc.
The SSL certificate for this service cannot be trusted.
The server's X.509 certificate cannot be trusted. This situation can
occur in three different ways, in which the chain of trust can be
broken, as stated below :
- First, the top of the certificate chain sent by the
server might not be descended from a known public
certificate authority. This can occur either when the
top of the chain is an unrecognized, self-signed
certificate, or when intermediate certificates are
missing that would connect the top of the certificate
chain to a known public certificate authority.
- Second, the certificate chain may contain a certificate
that is not valid at the time of the scan. This can
occur either when the scan occurs before one of the
certificate's 'notBefore' dates, or after one of the
certificate's 'notAfter' dates.
- Third, the certificate chain may contain a signature
that either didn't match the certificate's information
or could not be verified. Bad signatures can be fixed by
getting the certificate with the bad signature to be
re-signed by its issuer. Signatures that could not be
verified are the result of the certificate's issuer
using a signing algorithm that Nessus either does not
support or does not recognize.
If the remote host is a public host in production, any break in the
chain makes it more difficult for users to verify the authenticity and
identity of the web server. This could make it easier to carry out
man-in-the-middle attacks against the remote host.
See also :
Purchase or generate a proper certificate for this service.
Risk factor :
Medium / CVSS Base Score : 6.4
Nessus Plugin ID: 51192 ()
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