CVE-2012-1800

What it is

Stack-based buffer overflow in the Profinet DCP protocol implementation on the Siemens Scalance S Security Module firewall S602 V2, S612 V2, and S613 V2 with firmware before 2.3.0.3 allows remote attackers to cause a denial of service (device outage) or possibly execute arbitrary code via a crafted DCP frame.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of service disruption.

Exploit odds

1.6% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2012-04-18 10:33 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:40 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.6% in the next 30 days (EPSS).
• Severity: 6.1 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2012-04-18 10:33 UTC

Last modified

2026-06-16 23:40 UTC

Exploit probability

1.6% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Siemens Scalance S Firmware ≤ 2.3.0
• Siemens Scalance S Firmware 2.1.0
• Siemens Scalance S Firmware 2.2.0
• Siemens Scalance s602 v2
• Siemens Scalance s612 v2
• Siemens Scalance s613 v2

Attack profile CVSS 2.0 · 6.1

Attack vector

Adjacent network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

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