CVE-2023-28807 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Zscaler	Secure Internet And Saas Access

Configuration 1 [-]

cpe:2.3:a:zscaler:secure_internet_and_saas_access:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization
https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting

History

Tue, 17 Jun 2025 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Zscaler

Published: 2024-01-31T19:16:59.806Z

Updated: 2025-06-17T21:29:19.136Z

Reserved: 2023-03-23T18:29:15.803Z

Link: CVE-2023-28807

Vulnrichment

Updated: 2024-08-02T13:51:38.890Z

NVD

Status : Modified

Published: 2024-01-31T20:15:44.903

Modified: 2024-11-21T07:56:03.310

Link: CVE-2023-28807

Redhat

No data.

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