CVE-2023-29054

What it is

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2P IRT (All versions < V5.5.2), SCALANCE X202-2P IRT PRO (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT PRO (All versions < V5.5.2), SCALANCE XF201-3P IRT (All versions < V5.5.2), SCALANCE XF202-2P IRT (All versions < V5.5.2), SCALANCE XF204-2BA IRT (All versions < V5.5.2), SCALANCE XF204IRT (All versions < V5.5.2), SIPLUS NET SCALANCE X202-2P IRT (All versions < V5.5.2). The SSH server on affected devices is configured to offer weak ciphers by default. This could allow an unauthorized attacker in a man-in-the-middle position to read and modify any data passed over the connection between legitimate clients and the affected device.

At a glance

Exploitability

Can be exploited from the same network segment without logging in, but needs a user to act. High risk of data tampering, service disruption.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2023-04-11 10:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-10-23 23:10 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 6.7 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-04-11 10:15 UTC

Last modified

2026-10-23 23:10 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-326 · Inadequate encryption strength

Record status

Modified

Affected

• Siemens Scalance x200-4p Irt Firmware < 5.5.2
• Siemens Scalance x201-3p Irt Firmware < 5.5.2
• Siemens Scalance x201-3p Irt Pro Firmware < 5.5.2
• Siemens Scalance x202-2irt Firmware < 5.5.2
• Siemens Scalance x202-2p Irt Firmware < 5.5.2
• Siemens Scalance x202-2p Irt Pro Firmware < 5.5.2
• Siemens Scalance x204irt Firmware < 5.5.2
• Siemens Scalance x204irt Pro Firmware < 5.5.2

Attack profile CVSS 3.1 · 6.7

Attack vector

Adjacent network

Complexity

High

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

High

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-2023-29054.md and follow it. Check whether this project is affected by CVE-2023-29054. 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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