High severity · published May 24, 2021
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…
7.5
CVSS
1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
7F
750-8202 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8203 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8204 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8206 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8207 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8208 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8210 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8211 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8212 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8213 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8214 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
7F
750-8216 Firmware · Wago
before 03.06.19_\(18\) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21000
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21000
Third Party Advisory
https://cert.vde.com/en-us/advisories/vde-2021-014
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