Is CVE-2025-20111 in the CISA KEV catalog?

No. CVE-2025-20111 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-20111?

CVE-2025-20111 has a CVSS v3 base score of 7.4 (HIGH).

What is the EPSS score for CVE-2025-20111?

CVE-2025-20111 has an EPSS score of 0.30% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-20111?

No published fix for CVE-2025-20111 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-20111

HIGH

7.4

CVSS v3

NVD

Description

A vulnerability in the health monitoring diagnostics of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of specific Ethernet frames. An attacker could exploit this vulnerability by sending a sustained rate of crafted Ethernet frames to an affected device. A successful exploit could allow the attacker to cause the device to reload.

CWE-1220

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Exploit Intelligence

0.30%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Other references1

sec.cloudapps.cisco.com

Related Vulnerabilities

Other CWE-1220 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-31201	Critical	9.8	15%	KEV	Fix
CVE-2026-33825	High	7.8	6.7%	KEV + Ransom	Fix
CVE-2024-42365	High	7.4	4.7%	-	Fix
CVE-2026-39363	High	7.5	2.9%	-	Fix
CVE-2026-49170	High	7.8	2.8%	-	Fix
CVE-2023-43040	Medium	6.5	2.5%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-02-26.