CVE-2019-6577

What it is

A vulnerability has been identified in SIMATIC HMI Comfort Panels 4" - 22" (All versions < V15.1 Update 1), SIMATIC HMI Comfort Outdoor Panels 7" & 15" (All versions < V15.1 Update 1), SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 und KTP900F (All versions < V15.1 Update 1), SIMATIC WinCC Runtime Advanced (All versions < V15.1 Update 1), SIMATIC WinCC Runtime Professional (All versions < V15.1 Update 1), SIMATIC WinCC (TIA Portal) (All versions < V15.1 Update 1), SIMATIC HMI Classic Devices (TP/MP/OP/MP Mobile Panel) (All versions). The integrated web server could allow Cross-Site Scripting (XSS) attacks if an attacker is able to modify particular parts of the device configuration via SNMP. The security vulnerability could be exploited by an attacker with network access to the affected system. Successful exploitation requires system privileges and user interaction. An attacker could use the vulnerability to compromise confidentiality and the integrity of the affected system. At the stage of publishing this security advisory no public exploitation is known.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account, but needs a user to act. Limited direct impact.

Exploit odds

0.9% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2019-05-14 20:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 02:39 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.9% in the next 30 days (EPSS).
• Severity: 5.4 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2019-05-14 20:29 UTC

Last modified

2026-06-17 02:39 UTC

Exploit probability

0.9% · EPSS, next 30 days

Weakness

CWE-80

Record status

Modified

Affected

• Siemens Simatic Hmi Comfort Panels Firmware < 15.1
• Siemens Simatic Hmi Comfort Outdoor Panels Firmware < 15.1
• Siemens Simatic Hmi Ktp Mobile Panels ktp400f Firmware < 15.1
• Siemens Simatic Hmi Ktp Mobile Panels ktp700 Firmware < 15.1
• Siemens Simatic Hmi Ktp Mobile Panels ktp700f Firmware < 15.1
• Siemens Simatic Hmi Ktp Mobile Panels ktp900 Firmware < 15.1
• Siemens Simatic Hmi Ktp Mobile Panels ktp900f Firmware < 15.1
• Siemens Simatic Wincc \(tia portal\) < 15.1

Attack profile CVSS 3.0 · 5.4

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

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.

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