How severe is CVE-2019-16674?

CVE-2019-16674 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-16674 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16674?

CVE-2019-16674 primarily affects Weidmueller Ie-sw-pl09m-5gc-4gt Firmware. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-16674?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-16674 published?

CVE-2019-16674 was published on 2019-12-06 and last updated on 2026-06-17.

CVE-2019-16674

CVE-2019-16674 is a critical-severity vulnerability in Weidmueller Ie-sw-pl09m-5gc-4gt Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Weidmueller Ie-sw-pl09m-5gc-4gt Firmware
Published: 2019-12-06
Last modified: 2026-06-17

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. Authentication Information used in a cookie is predictable and can lead to admin password compromise when captured on the network.

Frequently asked questions

What is CVE-2019-16674?: 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. Authentication Information used in a cookie is predictable and can lead to admin password compromise when captured on the network.
How severe is CVE-2019-16674?: CVE-2019-16674 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-16674 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16674?: CVE-2019-16674 primarily affects Weidmueller Ie-sw-pl09m-5gc-4gt Firmware. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-16674?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-16674 published?: CVE-2019-16674 was published on 2019-12-06 and last updated on 2026-06-17.

References

Affected products (40)

cpe:2.3:o:weidmueller:ie-sw-pl09m-5gc-4gt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl09mt-5gc-4gt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl18m-2gc-16tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl18mt-2gc-16tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl18m-2gc14tx2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl18mt-2gc14tx2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl18m-2gc14tx2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl18mt-2gc14tx2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl18m-2gc14tx2scs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl18mt-2gc14tx2scs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl16m-16tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl16mt-16tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl16m-14tx-2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl16mt-14tx-2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl16m-14tx-2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl16mt-14tx-2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl05m-5tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl05mt-5tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl05m-3tx-2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl05mt-3tx-2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl05m-3tx-2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl05mt-3tx-2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl08mt-8tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl08mt-5tx-3sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl08mt-5tx-1sc-2scs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl08mt-6tx-2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl08mt-6tx-2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-vl08mt-6tx-2scs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl08m-8tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl08mt-8tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl08m-6tx-2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl08mt-6tx-2sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl08m-6tx-2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl08mt-6tx-2st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl08m-6tx-2scs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl08mt-6tx-2scs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl10m-3gt-7tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl10mt-3gt-7tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl10m-1gt-2gs-7tx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:ie-sw-pl10mt-1gt-2gs-7tx_firmware:*:*:*:*:*:*:*:*

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