CVE-2016-6420 Missing authorization in n/a

What is CVE-2016-6420?

CVE-2016-6420 is a medium-severity missing authorization vulnerability in n/a, published on 5 Oct 2016. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Cisco FireSIGHT System Software 4.10.3 through 5.4.0 in Firepower Management Center allows remote authenticated users to bypass authorization checks and gain privileges via a crafted HTTP request, aka Bug ID CSCur25467.

Weakness: CWE-264, CWE-200

Which versions are affected by CVE-2016-6420?

It affects 1 product.

Products include Cisco Firesight System Software.

How do I fix CVE-2016-6420?

No fix has been published for CVE-2016-6420 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2016-6420 being exploited?

There is no known exploitation of CVE-2016-6420 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2016-6394 Auth bypass in n/a Critical 9.1
• CVE-2015-6335 Privilege escalation in n/a Critical 9.0
• CVE-2016-6417 Cross-site request forgery in n/a High 8.8
• CVE-2016-1394 Hardcoded credentials in n/a High 8.6
• CVE-2017-6766 Security feature bypass in Cisco Firepower System Software High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r4rh-wx3c-837c.