What’s Vulnerable › Vulnerabilities
CVE-2026-23811: Unauthorized Bi-Directional Traffic Interception via L2/L3 Manipulation
- Severity: low (CVSS 3.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-04 · updated 2026-06-17
- Weakness: CWE-300
Description
A vulnerability in the client isolation mechanism may allow an attacker to bypass Layer 2 (L2) communication restrictions between clients and redirect traffic at Layer 3 (L3). In addition to bypassing policy enforcement, successful exploitation - when combined with a port-stealing attack - may enable a bi-directional Machine-in-the-Middle (MitM) attack.
Affected products
- Hewlett Packard Enterprise (HPE) ArubaOS (AOS): from 6.5.4.0 through 8.10.0.21; from 8.11.0.0 through 8.12.0.6; from 8.13.0.0 through 8.13.1.1; from 10.3.0.0 through 10.4.1.10; from 10.5.0.0 through 10.7.2.2; 10.8.0.0
References
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