CVE-2023-28807CWE-295

Bypass of ZIA domain fronting detection module through evasion technique

Medium · published January 31, 2024

CVSS v3.1
5.1
EPSS
0%
Percentile
26.8
In the wild
Unconfirmed
What it is

In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic.

The record
Technical detail
CVSS v3.1
5.1 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00345 · 26.8th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2024-01-31T19:16Z
EPSS history
Timeline
  • 31 JAN 19:16Z
    Bypass of ZIA domain fronting detection module through evasion technique
    cvelistv5