CVE-2012-0352

What it is

Cisco NX-OS 4.2.x before 4.2(1)SV1(5.1) on Nexus 1000v series switches; 4.x and 5.0.x before 5.0(2)N1(1) on Nexus 5000 series switches; and 4.2.x before 4.2.8, 5.0.x before 5.0.5, and 5.1.x before 5.1.1 on Nexus 7000 series switches allows remote attackers to cause a denial of service (netstack process crash and device reload) via a malformed IP packet, aka Bug IDs CSCti23447, CSCti49507, and CSCtj01991.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

1.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2012-02-16 21:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:37 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.2% in the next 30 days (EPSS).
• Severity: 7.8 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2012-02-16 21:55 UTC

Last modified

2026-06-16 23:37 UTC

Exploit probability

1.2% · EPSS, next 30 days

Weakness

CWE-399

Record status

Modified

Affected

• Cisco nx-os 4.0\(0\)n1\(1a\)
• Cisco nx-os 4.0\(0\)n1\(2\)
• Cisco nx-os 4.0\(0\)n1\(2a\)
• Cisco nx-os 4.0\(1a\)n1\(1\)
• Cisco nx-os 4.0\(1a\)n1\(1a\)
• Cisco nx-os 4.0\(1a\)n2\(1\)
• Cisco nx-os 4.0\(1a\)n2\(1a\)
• Cisco nx-os 4.0\(4\)sv1\(1\)

Attack profile CVSS 2.0 · 7.8

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

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