CVE-2012-5445

What it is

The kernel in Cisco Native Unix (CNU) on Cisco Unified IP Phone 7900 series devices (aka TNP phones) with software before 9.3.1-ES10 does not properly validate unspecified system calls, which allows attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a crafted binary.

At a glance

Exploitability

Can be exploited locally on the machine with a login. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2012-12-28 11:48 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:46 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.4% in the next 30 days (EPSS).
• Severity: 6.8 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2012-12-28 11:48 UTC

Last modified

2026-06-16 23:46 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Cisco Skinny Client Control Protocol Software ≤ 9.2\(4\)
• Cisco Skinny Client Control Protocol Software 1.0\(1\)
• Cisco Skinny Client Control Protocol Software 1.0\(2\)
• Cisco Skinny Client Control Protocol Software 1.0\(3\)
• Cisco Skinny Client Control Protocol Software 1.0\(4\)
• Cisco Skinny Client Control Protocol Software 1.0\(5\)
• Cisco Skinny Client Control Protocol Software 1.0\(9\)
• Cisco Skinny Client Control Protocol Software 1.1\(1\)

Attack profile CVSS 2.0 · 6.8

Attack vector

Local

Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2012-5445.md and follow it. Check whether this project is affected by CVE-2012-5445. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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