#VU62350 Resource management error in Cisco IOS XR - CVE-2022-20758 

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU62350

#VU62350 Resource management error in Cisco IOS XR - CVE-2022-20758

Published: April 15, 2022


Vulnerability identifier: #VU62350
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20758
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XR
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 within the application in the implementation of the Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality. A remote attacker can send a BGP update message that contains specific EVPN attributes and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links