#VU47210 Input validation error in Cisco IOS XE and Cisco cBR-8 Converged Broadband - CVE-2020-3526

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Main Vulnerability Database Vulnerabilities #VU47210

#VU47210 Input validation error in Cisco IOS XE and Cisco cBR-8 Converged Broadband - CVE-2020-3526

Published: September 24, 2020 / Updated: September 30, 2020


Vulnerability identifier: #VU47210
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-3526
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XE
Cisco cBR-8 Converged Broadband
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 insufficient validation of user-supplied input in the Common Open Policy Service (COPS) engine. A remote attacker can send a specially crafted COPS message and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links