SB2021092417 - Denial of service in Cisco IOS XE Software
Published: September 24, 2021
Security Bulletin ID
SB2021092417
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Initialization (CVE-ID: CVE-2021-34697)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper initialization in the Protection Against Distributed Denial of Service Attacks feature. A remote attacker can cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.