CVE-2015-1571 Weak cryptography in n/a

Medium 4.3 Published Updated

Man-in-the-middle attackers could potentially spoof SSL servers due to shared certificates in FortiOS CAPWAP DTLS, though vendor disputes exploitability.

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-2015-1571?

CVE-2015-1571 is a medium-severity vulnerability in Fortinet Fortios, published on 10 Feb 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The CAPWAP DTLS protocol implementation in Fortinet FortiOS 5.0 Patch 7 build 4457 uses the same certificate and private key across different customers' installations, which makes it easier for man-in-the-middle attackers to spoof SSL servers by leveraging the Fortinet_Factory certificate and private key. NOTE: FG-IR-15-002 says "The Fortinet_Factory certificate is unique to each device ... An attacker cannot therefore stage a MitM attack.

Weakness: CWE-310

Which versions are affected by CVE-2015-1571?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2015-1571?

No fix has been published for CVE-2015-1571 yet. Limit exposure of the affected software until one is available.

Is CVE-2015-1571 being exploited?

There is no known exploitation of CVE-2015-1571 in the wild and no public exploit code.

All Fortinet Fortios vulnerabilities

Sources

Also known as GHSA-j86q-w3f9-5q6c.

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