Vulnerability Monitor

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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.


Published

2021-05-24T11:15:07.980

Last Modified

2025-08-15T20:21:10.680

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

8.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-22
  • Type: Primary
    CWE-22

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System wago 750-823_firmware < fw08 Yes
Hardware wago 750-823 - No
Operating System wago 750-829_firmware < fw15 Yes
Hardware wago 750-829 - No
Operating System wago 750-831_firmware < fw15 Yes
Hardware wago 750-831 - No
Operating System wago 750-832_firmware < fw08 Yes
Hardware wago 750-832 - No
Operating System wago 750-852_firmware < fw15 Yes
Hardware wago 750-852 - No
Operating System wago 750-862_firmware < fw08 Yes
Hardware wago 750-862 - No
Operating System wago 750-880_firmware < fw16 Yes
Hardware wago 750-880 - No
Operating System wago 750-881_firmware < fw15 Yes
Hardware wago 750-881 - No
Operating System wago 750-882_firmware < fw15 Yes
Hardware wago 750-882 - No
Operating System wago 750-885_firmware < fw15 Yes
Hardware wago 750-885 - No
Operating System wago 750-889_firmware < fw15 Yes
Hardware wago 750-889 - No
Operating System wago 750-890_firmware < fw08 Yes
Hardware wago 750-890 - No
Operating System wago 750-891_firmware < fw08 Yes
Hardware wago 750-891 - No
Operating System wago 750-893_firmware < fw08 Yes
Hardware wago 750-893 - No
Operating System wago 750-8202_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8202 - No
Operating System wago 750-8203_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8203 - No
Operating System wago 750-8204_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8204 - No
Operating System wago 750-8206_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8206 - No
Operating System wago 750-8207_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8207 - No
Operating System wago 750-8208_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8208 - No
Operating System wago 750-8210_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8210 - No
Operating System wago 750-8211_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8211 - No
Operating System wago 750-8212_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8212 - No
Operating System wago 750-8213_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8213 - No
Operating System wago 750-8214_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8214 - No
Operating System wago 750-8216_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8216 - No
Operating System wago 750-8217_firmware < 03.06.19_\(18\) Yes
Hardware wago 750-8217 - No

References