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CVE-2021-20999

WEIDMUELLER: Accidentally open network port in u-controls and IoT-Gateways

Published: May 13, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-668
NVD MITRE
9.4CVSSCRITICAL
EPSS Score
0.9%
Top 43.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-668NVD-CWE-Other

Affected Products

uc20-wl2000-ac firmwareweidmuellerICS / OT / IoT
uc20-wl2000-iot firmwareweidmuellerICS / OT / IoT
iot-gw30 firmwareweidmuellerICS / OT / IoT
iot-gw30-4g-eu firmwareweidmuellerICS / OT / IoT
UC20-WL2000-AC (No. 1334950000)Weidmüller
Embedded
ICS / OT / IoT / industrial-network
weidmuellercommercialDEICS / OT / IoTaka weidmuller
weidmüllercommercialDEICS / OT / IoTaka iot-gw30-4g-eu, ie-wl
and 3 more affected products View all →

Exploitability

Official Patch Available
Workaround Available

References

https://cert.vde.com/en-us/advisories/vde-2021-016
cert.vde.com

Timeline

Published
May 13, 2021
Last Updated
Nov 21, 2024

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