CVE-2026-75943CWE-459

CVE-2026-75943

Low · published September 15, 2026

CVSS v3.1
2.6
EPSS
0%
Percentile
9.8
In the wild
Unconfirmed
What it is

A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcement.

The record
Technical detail
CVSS v3.1
2.6 · LOW
Vector
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
2.1 · CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00203 · 9.8th percentile
Weakness
CWE-459 · Incomplete Cleanup
Published
2026-09-15T03:18Z
References (1)
https://www.arista.com/en/support/advisories-notices/security-advisory/24706-security-advisory-0150 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 14 SEP 22:11Z
    A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcem
    cvelistv5