CVE-2013-1211 Auth bypass in n/a

What is CVE-2013-1211?

CVE-2013-1211 is a medium-severity authentication bypass vulnerability in Cisco Nx-Os, published on 29 May 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco NX-OS on the Nexus 1000V does not properly handle authentication for Virtual Ethernet Module (VEM) to Virtual Supervisor Module (VSM) communication, which allows remote attackers to obtain VEM access via (1) spoofed STUN packets or (2) a crafted VMware ESXi instance, aka Bug ID CSCud14832.

Weakness: CWE-287

Which versions are affected by CVE-2013-1211?

It affects 1 product.

Products include Cisco Nx-Os.

How do I fix CVE-2013-1211?

No fix has been published for CVE-2013-1211 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-2013-1211 being exploited?

There is no known exploitation of CVE-2013-1211 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-4cq8-34fv-5935.