SB2021030426 - Denial of service in Cisco SD-WAN vManage



SB2021030426 - Denial of service in Cisco SD-WAN vManage

Published: March 4, 2021

Security Bulletin ID SB2021030426
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2021-1466)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to a boundary error in the vDaemon service. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.