1. Home
  2. CVE Database
  3. CVE-2021-21001
CRITICAL · 9.1

CVE-2021-21001

On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.

Vulnerability Description

On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.

CVSS Score

9.1

CRITICAL

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

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-22

References

FAQ

What is CVE-2021-21001?

CVE-2021-21001 is a vulnerability with a CVSS score of 9.1 (CRITICAL). On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.

How severe is CVE-2021-21001?

CVE-2021-21001 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-21001?

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.