CVE-2020-3118

KEV

Cisco IOS XR Software Discovery Protocol Format String Vulnerability

Vendor / Project: Cisco
Product: IOS XR
Date added: Nov 3, 2021
Due date: May 3, 2022
Known ransomware use: Unknown
CWEs: CWE-134

Description

Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages. Exploitation could allow an unauthenticated, adjacent attacker to execute code with administrative privileges or cause a reload on an affected device.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-3118