CVE-2023-28807

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

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

History

09 Feb 2024, 16:30

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~() https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting -~~	() https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting - Product
References	~~() https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization -~~	() https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization - Product
First Time		Zscaler secure Internet And Saas Access Zscaler
CPE		cpe:2.3:a:zscaler:secure_internet_and_saas_access::::::::
CWE		CWE-295

31 Jan 2024, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-01-31 20:15

Updated : 2024-02-28 20:54

NVD link : CVE-2023-28807

Mitre link : CVE-2023-28807

CVE.ORG link : CVE-2023-28807

JSON object : View

Products Affected

zscaler

secure_internet_and_saas_access

CWE

CWE-295

Improper Certificate Validation

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