No exploitation reported

CVE-2019-16671

No exploitation reported by the sources we read.

Published2019-12-06
WeaknessCWE-400

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

An issue was discovered on Weidmueller IE-SW-VL05M 3.6.6 Build 16102415, IE-SW-VL08MT 3.5.2 Build 16102415, and IE-SW-PL10M 3.3.16 Build 16102416 devices. Remote authenticated users can crash a device with a special packet because of Uncontrolled Resource Consumption.

Timeline

dates in UTC

2019-12-0618:15CVE 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-2019-16671?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-16671?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Weidmueller ie-sw-pl08m-6tx-2sc firmwareversion to verify

Branch	Affected	Fixed in	Source
3.3	≤ 3.3.8	no fix published	NVD

Weidmueller ie-sw-pl08m-6tx-2scs firmwareversion to verify

Branch	Affected	Fixed in	Source
3.3	≤ 3.3.8	no fix published	NVD

Weidmueller ie-sw-pl08m-6tx-2st firmwareversion to verify

Branch	Affected	Fixed in	Source
3.3	≤ 3.3.8	no fix published	NVD

37 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-19-339-02 CISA40 known affected
Weidmueller Industrial Ethernet Switches
IE-SW-PL18M-2GC14TX2ST firmware: v3.4.4 Build 16102416 and prior · IE-SW-VL08MT-5TX-1SC-2SCS firmware: v3.5.2 Build 16102415 and prior · IE-SW-PL18MT-2GC-16TX firmware: v3.4.4 Build 16102416 and prior · +37 more

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-19-339-02 · 40 productsSolution for vulnerabilities, valid for switch series IE-SW-VL05M and IE-SW-VL08MT
Mitigation from the vendor CISA ICSA-19-339-02 · 40 productsTo avoid the vulnerabilities referred to in this section, it is necessary to install patched firmware. After installation of patched firmware, the web interface can be accessed via encrypted communication using https, and web interface access can be configured to ensure encrypted connections by sel…
Mitigation from the vendor CISA ICSA-19-339-02 · 40 productsThe respective web interface menu section for this setting can be reached via the following path: Main Menu > Basic Settings > System: Set the “Web Configuration” to “https only.”
Mitigation from the vendor CISA ICSA-19-339-02 · 40 productsSolution for vulnerabilities valid for switch series IE-SW-PL08M, IE-SW-PL10M, IE-SW-PL16M, IE-SW-PL18M, and IE-SW-PL09M
Mitigation from the vendor CISA ICSA-19-339-02 · 40 productsTo avoid the vulnerabilities referred to in this section, installation of patched firmware is not necessary. Web interface access can be configured to ensure encrypted connections by selecting “https only.”
Mitigation from the vendor CISA ICSA-19-339-02 · 40 productsSolution for CVE-2019-16670, CVE-2019-16671, CVE-2019-16673, and CVE-2019-16674

Advisories and patches

mdcop.weidmueller.comVendor Advisory

Detection

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

Sources

NVDCVSS 3.16.5read 2026-10-23
CNACVSS 3.06.5read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-400read 2026-10-23
FIRST EPSSEPSS score1.9 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: 2019-12-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-16671?

Is CVE-2019-16671 actively exploited?

Active exploitation of CVE-2019-16671 has not been confirmed. Its EPSS score was 1.9% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-16671?

CVE-2019-16671 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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