CVE-2012-4122 Missing authorization in n/a

What is CVE-2012-4122?

CVE-2012-4122 is a medium-severity missing authorization vulnerability in Cisco Nx-Os, published on 5 Oct 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The CLI parser in Cisco NX-OS allows local users to bypass intended access restrictions, and overwrite or create arbitrary files, via shell output redirection, aka Bug IDs CSCts56672 and CSCts56669.

Weakness: CWE-20

Which versions are affected by CVE-2012-4122?

It affects 1 product.

Products include Cisco Nx-Os.

How do I fix CVE-2012-4122?

No fix has been published for CVE-2012-4122 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-2012-4122 being exploited?

There is no known exploitation of CVE-2012-4122 in the wild and no public exploit code.

Other vulnerabilities in Cisco Nx-Os

• CVE-2024-20399 Cisco NX-OS Command Injection Exploited Medium 6.0
• CVE-2021-1361 Cisco NX-OS Software Unauthenticated Arbitrary File Actions Vulnerability Critical 9.8
• CVE-2018-0301 Memory corruption in Cisco NX-OS unknown Critical 9.8
• CVE-2016-1453 Memory corruption in n/a Critical 9.8
• CVE-2016-1341 Hardcoded credentials in n/a Critical 9.8

All Cisco Nx-Os vulnerabilities

Sources

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

Also known as GHSA-5859-8qc6-3q5v.