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Improper Resource Shutdown or Release

CVE-2021-21003

Medium
5.3/10

Summary

In Phoenix Contact FL SWITCH SMCS series products in multiple versions fragmented TCP-Packets may cause a Denial of Service of Web-, SNMP- and ICMP-Echo services. The switching functionality of the device is not affected.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • LOW

CWE-404 - Improper Resource Shutdown or Release

The program does not release or incorrectly releases a resource before it is made available for re-use.

References

Advisory Timeline

  • Published