CVE-2019-5161

highpriority · track · 37OT risk · elevatedEPSS 0.025 · 85 %ileDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.51% (85th) EPSS
CVSS 9 · high
Is it mine?
11 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · wago_psirt

EPSS · scored 2026-10-27

An exploitable remote code execution vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). A specially crafted XML file will direct the Cloud Connectivity service to download and execute a shell script with root privileges.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • Mitigationwago_psirt

    Check the hashes of the Update packet, do not use update files which has a different hash then the original one Follow the instructions in WAGOs handbook Cyber Security for Controller Restrict network access to the device. Do not directly connect the device to the internet Use an encrypted VPN connection to the device Disable unused TCP/UDP-ports Use strong passwords for all user accounts, especially for administrative user accounts on the device.

02

cvss

Technical severity, 0–10. One row per scoring source.

9.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.3 · impact 6
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · WAGO PSIRT DE
v3.18.3highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (11)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • VDE-2020-010WAGO: Cloud Connectivity Remote Code Execution Vulnerability2020-03-09csaf · wago_psirtDE

    An attacker needs an authorized login with administrative privileges on the device in order to exploit the herein mentioned vulnerability. The weakness allows an attacker which has admin privileges on the device to redirect to his own Azure cloud account and install malicious software with the firmware update functionality.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2020-03-11modified 2026-06-17
09

references (4)

External citations — patches, advisories, analysis.

scry

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