CVEvulnerability

CVE-2026-20038

5.8 MEDIUM Published 2026-10-07 Modified 2026-10-08 Official page ↗
Status
Awaiting Analysis
Published
2026-10-07
Last modified
2026-10-08
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Weaknesses
CWE-284

Description

A vulnerability in the endpoint group (EPG) contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode could allow an unauthenticated, remote attacker to bypass configured EPG contracts. This vulnerability is due to an improper control with EPG contracts. An attacker could exploit this vulnerability by sending IPv4 or IPv6 packets using UDP source and destination ports that are assigned to DHCP traffic through an affected device. A successful exploit could allow the attacker to bypass EPG contracts on the affected device.

Related

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References