#VU56840 Resource management error in Cisco cBR-8 Converged Broadband and Cisco IOS XE - CVE-2021-1623

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Main Vulnerability Database Vulnerabilities #VU56840

#VU56840 Resource management error in Cisco cBR-8 Converged Broadband and Cisco IOS XE - CVE-2021-1623

Published: September 23, 2021


Vulnerability identifier: #VU56840
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1623
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco cBR-8 Converged Broadband
Cisco IOS XE
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources in the Simple Network Management Protocol (SNMP) punt handling function. A remote authenticated attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links