No exploitation reportedFix available

CVE-2019-6575

Q: Is CVE-2019-6575 actively exploited?

Active exploitation of CVE-2019-6575 has not been confirmed. Its EPSS score was 1.6% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-6575?

CVE-2019-6575 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2019-04-17
Fixed in15.1
WeaknessCWE-248 · CWE-755

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability has been identified in SIMATIC CP 443-1 OPC UA (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V2.7), SIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants) (All versions < V15.1 Upd 4), SIMATIC HMI Comfort Panels 4" - 22" (incl. SIPLUS variants) (All versions < V15.1 Upd 4), SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Upd 4), SIMATIC IPC DiagMonitor (All versions < V5.1.3), SIMATIC NET PC Software V13 (All versions), SIMATIC NET PC Software V14 (All versions < V14 SP1 Update 14), SIMATIC NET PC Software V15 (All versions), SIMATIC RF188C (All versions < V1.1.0), SIMATIC RF600R family (All versions < V3.2.1), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.5 < V2.6.1), SIMATIC S7-1500 Software Controller (All versions between V2.5 (including) and V2.7 (excluding)), SIMATIC WinCC OA (All versions < V3.15 P018), SIMATIC WinCC Runtime Advanced (All versions < V15.1 Upd 4), SINEC NMS (All versions < V1.0 SP1), SINEMA Server (All versions < V14 SP2), SINUMERIK OPC UA Server (All versions < V2.1), TeleControl Server Basic (All versions < V3.1.1). Specially crafted network packets sent to affected devices on port 4840/tcp could allow an unauthenticated remote attacker to cause a denial of service condition of the OPC communication or crash the device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the OPC communication.

Timeline

dates in UTC

2019-04-1714:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-6575?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-6575?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Siemens simatic hmi comfort outdoor panels firmwareversion to verify

Branch	Affected	Fixed in	Source
15.1	< 15.1	15.1	NVD
15.1	= 15.1	no fix published	NVD

Siemens simatic hmi ktp mobile panels ktp400f firmwareversion to verify

Branch	Affected	Fixed in	Source
15.1	< 15.1	15.1	NVD
15.1	= 15.1	no fix published	NVD

Siemens simatic hmi ktp mobile panels ktp700 firmwareversion to verify

Branch	Affected	Fixed in	Source
15.1	< 15.1	15.1	NVD
15.1	= 15.1	no fix published	NVD

24 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-19-099-03 CISA19 known affected
Siemens Industrial Products with OPC UA (Update H)
SIMATIC CP 443-1 OPC UA · SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) · SIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants) · +16 more
ICSA-19-134-09 CISA19 known affected
Siemens SIMATIC Panels and WinCC (TIA Portal)
SIMATIC CP 443-1 OPC UA · SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) · SIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants) · +16 more

Full record on NVD

Fix

Update Siemens simatic hmi comfort outdoor panels firmware to 15.1
Vendor fix CISA ICSA-19-099-03 · 1 productUpdate to V3.15 P018 or later version
Vendor fix CISA ICSA-19-099-03 · 1 productUpdate to V14 SP2 or later version
Vendor fix CISA ICSA-19-099-03 · 1 productUpdate to V1.0 SP1 or later version
Vendor fix CISA ICSA-19-099-03 · 1 productUpdate to V2.7 or later version
Vendor fix CISA ICSA-19-099-03 · 1 productUpdate to V2.1 or later version
Vendor fix CISA ICSA-19-099-03 · 1 productUpdate to V3.1.1 or later version

Advisories and patches

cert-portal.siemens.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2026-06-03
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.17.52026-06-03
NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
CNAweakness (CWE)CWE-248read 2026-10-23
NVDweakness (CWE)CWE-755read 2026-10-23
FIRST EPSSEPSS score1.6 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2019-04-17
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-6575?

Is CVE-2019-6575 actively exploited?

Active exploitation of CVE-2019-6575 has not been confirmed. Its EPSS score was 1.6% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-6575?

CVE-2019-6575 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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