VDB

CVE-2021-1623

CVE-2021-1623 PUBLISHED CVSS 7.699999809265137 HIGH

A vulnerability in the Simple Network Management Protocol (SNMP) punt handling function of Cisco cBR-8 Converged Broadband Routers could allow an authenticated, remote attacker to overload a device punt path, resulting in a denial of service (DoS) condition. This vulnerability is due to the punt path being overwhelmed by large quantities of SNMP requests. An attacker could exploit this vulnerability by sending a large number of SNMP requests to an affected device. A successful exploit could allow the attacker to overload the device punt path, resulting in a DoS condition.

EPSS 0.34% · 57.3th percentile

Risk Scores

CVSS 3.1
7.699999809265137
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS Score
0.34%
57.3th percentile

Affected Products

VendorProductVersions
ciscoios_xe0
CiscoCisco IOS XE Softwaren/a

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

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