#VU67389 Input validation error in Cisco Systems, Inc products - CVE-2022-20849

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU67389

#VU67389 Input validation error in Cisco Systems, Inc products - CVE-2022-20849

Published: September 15, 2022


Vulnerability identifier: #VU67389
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2022-20849
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XR
Cisco ASR 9000 Series Aggregation Services Routers
Cisco IOS XRv 9000 Router
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 the affected application does not properly handle an error condition in the Broadband Network Gateway PPP over Ethernet (PPPoE) feature. A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links