CVE Explorer
CVE-2026-20048
A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper processing when parsing SNMP requests. An attacker could exploit this vulnerability by continuously sending SNMP queries to a specific MIB of an affected device. A successful exploit could allow the attacker to
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:ff79f45f9e417767d61b083164fb045e424f2735f171a9d974d5606ed7bf0b38 · sha256:1f44200f01644a00… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:ff79f45f9e417767d61b083164fb045e424f2735f171a9d974d5606ed7bf0b38 · sha256:1f44200f01644a00… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-789","description":"Uncontrolled Memory Allocation","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:ff79f45f9e417767d61b083164fb045e424f2735f171a9d974d5606ed7bf0b38 · sha256:1f44200f01644a00… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-nxos-dsnmp-cNN39Uh","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-dsnmp-cNN39Uh"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ff79f45f9e417767d61b083164fb045e424f2735f171a9d974d5606ed7bf0b38 · sha256:1f44200f01644a00… · /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.