CVE-2017-6617 Auth bypass in Cisco Integrated Management Controller

Medium 5.4 Published Updated

An unauthenticated remote attacker can hijack a valid user session in Cisco IMC due to improper session identifier management upon authentication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2017-6617?

CVE-2017-6617 is a medium-severity authentication bypass vulnerability in Cisco Integrated Management Controller, published on 20 Apr 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in the session identification management functionality of the web-based GUI of Cisco Integrated Management Controller (IMC) 3.0(1c) could allow an unauthenticated, remote attacker to hijack a valid user session on an affected system. The vulnerability exists because the affected software does not assign a new session identifier to a user session when a user authenticates to the web-based GUI. An attacker could exploit this vulnerability by using a hijacked session identifier to connect to the software through the web-based GUI. A successful exploit could allow the attacker to hijack an authenticated user's browser session on the affected system. Cisco Bug IDs: CSCvd14583.

Weakness: CWE-287

Which versions are affected by CVE-2017-6617?

It affects 1 product.

Products include Cisco Integrated Management Controller Supervisor.

How do I fix CVE-2017-6617?

No fix has been published for CVE-2017-6617 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2017-6617 being exploited?

There is no known exploitation of CVE-2017-6617 in the wild and no public exploit code.

Sources

Also known as GHSA-4wm8-hvm8-ph45.

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