VDB

CVE-2021-1611

CVE-2021-1611 PUBLISHED CVSS 8.600000381469727 HIGH

A vulnerability in Ethernet over GRE (EoGRE) packet processing of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9800 Family Wireless Controller, Embedded Wireless Controller, and Embedded Wireless on Catalyst 9000 Series Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper processing of malformed EoGRE packets. An attacker could exploit this vulnerability by sending malicious packets to the affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

EPSS 0.49% · 66.0th percentile

Risk Scores

CVSS 3.1
8.600000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score
0.49%
66.0th percentile

Affected Products

VendorProductVersions
ciscoios_xe0
CiscoCisco IOS XE Software*

Exploit Intelligence

Timeline

  • Sep 23, 2021 CVE Published
  • Sep 23, 2021 EPSS Score
  • Nov 19, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Jan 15, 2022 EPSS Score
  • Mar 14, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • May 10, 2022 EPSS Score
  • Jul 6, 2022 EPSS Score
  • Sep 2, 2022 EPSS Score
  • Oct 29, 2022 EPSS Score
  • Dec 26, 2022 EPSS Score

References

Open in Interactive Console →
$ Console Community · 100/wk Open console ›