CVE-2026-20038
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cisco Nexus 9000 Series Fabric Switches in ACI Mode Policy-Based Redirect Endpoint Group Contract Bypass Vulnerability
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Cisco NX-OS System Software in ACI Mode
- Vendor
- Cisco
- Product
- Cisco NX-OS System Software in ACI Mode
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 15.2(1g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(2e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(2f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(2g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(2h) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(3f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(3e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(3g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(4d) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(4e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(5c) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(5d) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(1g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(5e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(4f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(6e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(6h) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(1j) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(6g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(7f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(7g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(2h) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(8d) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(2j) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(8e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(3d) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(3e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(8f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(8g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.3(1d) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(8h) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(4c) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.3(2a) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.2(8i) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(5h) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.3(2b) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(3g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(5j) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.3(2c) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(6c) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.3(2d) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.1(1f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(7e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(8e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.3(2e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(8f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.1(2f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.1(2g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.3(2f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(9c) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.1(3f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(9d) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(6h) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(8h) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.1(3g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(9e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.1(4h) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.1(5e) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.2(1g) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0(9f) | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.2(2e) | affected | Unavailable | Unavailable | Unavailable | None listed |