CVE-2020-3118 (Cisco IOS XR) is in the CISA Known Exploited Vulnerabilities catalog since 2021-11-03. Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages… See the required fix, due date and advisories.
CVE-2020-3118 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2021-11-03. 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.
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Sourced from public upstream advisories (CISA KEV, ENISA EUVD, vendor PSIRTs) mirrored daily. Informational only — not a remediation decision, not legal advice, and the absence of a record is not evidence of safety.