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MEDIUM · 5.3

CVE-2021-21000

On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.

Vulnerability Description

On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
Wago750-823 Firmware< fw08
Wago750-823-
Wago750-829 Firmware< fw15
Wago750-829-
Wago750-831 Firmware< fw15
Wago750-831-
Wago750-832 Firmware< fw08
Wago750-832-
Wago750-852 Firmware< fw15
Wago750-852-
Wago750-862 Firmware< fw08
Wago750-862-
Wago750-880 Firmware< fw16
Wago750-880-
Wago750-881 Firmware< fw15
Wago750-881-
Wago750-882 Firmware< fw15
Wago750-882-
Wago750-885 Firmware< fw15
Wago750-885-

Related Weaknesses (CWE)

CWE-770

References

FAQ

What is CVE-2021-21000?

CVE-2021-21000 is a vulnerability with a CVSS score of 5.3 (MEDIUM). On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.

How severe is CVE-2021-21000?

CVE-2021-21000 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21000?

Check the references section above for vendor advisories and patch information. Affected products include: Wago 750-823 Firmware, Wago 750-823, Wago 750-829 Firmware, Wago 750-829, Wago 750-831 Firmware.