CVE-2020-3118
CISA KEV
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
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.
CISA Known Exploited Vulnerability
Vendor / Product
Cisco — IOS XR
Date Added
2021-11-03
Remediation Due
2022-05-03
https://nvd.nist.gov/vuln/detail/CVE-2020-3118