CVE-2017-3840 Open redirect in Cisco Secure Access Control System

Medium 6.1 Published Updated

An unauthenticated remote attacker can redirect users to malicious web pages via the Cisco Secure ACS web interface.

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-2017-3840?

CVE-2017-3840 is a medium-severity vulnerability in Cisco Secure Access Control System, published on 22 Feb 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 web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to redirect a user to a malicious web page, aka an Open Redirect Vulnerability. More Information: CSCvc04849. Known Affected Releases: 5.8(2.5).

Weakness: CWE-601

Which versions are affected by CVE-2017-3840?

It affects 1 product.

Products include Cisco Secure Access Control System.

How do I fix CVE-2017-3840?

No fix has been published for CVE-2017-3840 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-3840 being exploited?

There is no known exploitation of CVE-2017-3840 in the wild and no public exploit code.

Sources

Also known as GHSA-mmqm-ggcj-wh2h.

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