CVE Explorer
CVE-2026-20033
A vulnerability in Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to insufficient validation when processing specific Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to the management interface of an affected device. A successful exploit could allow the attacker to cause the device to reload
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Cisco NX-OS System Software in ACI Mode","vendor":"Cisco","versions":[{"status":"affected","version":"15.2(1g)"},{"status":"affected","version":"15.2(2e)"},{"status":"affected","version":"15.2(2f)"},{"status":"affected","version":"15.2(2g)"},{"status":"affected","version":"15.2(2h)"},{"status":"affected","version":"15.2(3f)"},{"status":"affected","version":"15.2(3e)"},{"status":"affected","version":"15.2(3g)"},{"status":"affected","version":"15.2(4d)"},{"status":"affected","version":"15.2(4e)"},{"status":"affected","version":"15.2(5c)"},{"status":"affected…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:76d6006a2d6014e7c453b78a43047bbcb62fd93d991e4fa810e821a4d32516a5 · sha256:723dc6ded8ca472a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:76d6006a2d6014e7c453b78a43047bbcb62fd93d991e4fa810e821a4d32516a5 · sha256:723dc6ded8ca472a… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-805","description":"Buffer Access with Incorrect Length Value","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:76d6006a2d6014e7c453b78a43047bbcb62fd93d991e4fa810e821a4d32516a5 · sha256:723dc6ded8ca472a… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-nxos-cpdos-qLsv6pFD","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cpdos-qLsv6pFD"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:76d6006a2d6014e7c453b78a43047bbcb62fd93d991e4fa810e821a4d32516a5 · sha256:723dc6ded8ca472a… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.