VulnerabilityModified
CVE-2021-44694
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
MEDIUM 5.5EPSS 0.62%
Does this matter?
Lower severity and a low EPSS score (0.62%). Track it; it rarely justifies an emergency change on its own.
Description
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
- EPSS
- 0.62% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1287, CWE-20
- Affected
- siemens/simatic s7-plcsim advanced firmware · siemens/simatic s7-1200 cpu 1211c firmware · siemens/simatic s7-1200 cpu 1212c firmware · siemens/simatic s7-1200 cpu 1212fc firmware · siemens/simatic s7-1200 cpu 1214 fc firmware · siemens/simatic s7-1200 cpu 1214c firmware · siemens/simatic s7-1200 cpu 1214fc firmware · siemens/simatic s7-1200 cpu 1215 fc firmware · siemens/simatic s7-1200 cpu 1215c firmware · siemens/simatic s7-1200 cpu 1215fc firmware · siemens/simatic s7-1200 cpu 1217c firmware · siemens/simatic s7-1200 cpu 12 1211c firmware · siemens/simatic s7-1200 cpu 12 1212c firmware · siemens/simatic s7-1200 cpu 12 1212fc firmware · siemens/simatic s7-1200 cpu 12 1214c firmware · siemens/simatic s7-1200 cpu 12 1214fc firmware · siemens/simatic s7-1200 cpu 12 1215c firmware · siemens/simatic s7-1200 cpu 12 1215fc firmware · siemens/simatic s7-1200 cpu 12 1217c firmware · siemens/siplus s7-1200 cp 1243-1 rail firmware · +40 more
- Source
- productcert@siemens.com
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdfPatch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdfPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.