SB2021060138 - Denial of service in FortiSwitch
Published: June 1, 2021
Security Bulletin ID
SB2021060138
CSH Severity
Medium
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) Resource exhaustion (CVE-ID: CVE-2021-26111)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak in lldpmedd daemon. A remote attacker on the local network can send specifically crafted LLDP/CDP/EDP packets to the device and exhaust all memory resources.
Remediation
Install update from vendor's website.