CVE-2018-15387 Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability

Critical 9.8 Published Updated

An unauthenticated remote attacker can bypass certificate validation to deploy a crafted system image on Cisco SD-WAN devices.

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-2018-15387?

CVE-2018-15387 is a critical vulnerability in Cisco SD-WAN Solution, published on 5 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to bypass certificate validation on an affected device. The vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by supplying a system image signed with a crafted certificate to an affected device, bypassing the certificate validation. An exploit could allow an attacker to deploy a crafted system image.

Weakness: CWE-295, CWE-20

Which versions are affected by CVE-2018-15387?

It affects 1 product.

Products include Cisco Sd-Wan.

How do I fix CVE-2018-15387?

No fix has been published for CVE-2018-15387 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-15387 being exploited?

There is no known exploitation of CVE-2018-15387 in the wild and no public exploit code.

Sources

Also known as GHSA-jhq5-xcpf-vrwm.

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