SB2024092620 - Denial of service in Cisco SD-WAN vEdge Software
Published: September 26, 2024
Security Bulletin ID
SB2024092620
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2024-20496)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the UDP packet validation code. A remote attacker on the local network can trigger an out-of-bounds write and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.