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Vulnerability Details :

CVE-2023-28803

Summary
Assigner-Zscaler
Assigner Org ID-73c6f63b-efac-410d-a0a9-569700f85a04
Published At-23 Oct, 2023 | 13:32
Updated At-11 Sep, 2024 | 14:31
Rejected At-
Credits

Traffic being bypassed by ZCC by configuring synthetic IP range as local network

An authentication bypass by spoofing of a device with a synthetic IP address is possible in Zscaler Client Connector on Windows, allowing a functionality bypass. This issue affects Client Connector: before 3.9.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Zscaler
Assigner Org ID:73c6f63b-efac-410d-a0a9-569700f85a04
Published At:23 Oct, 2023 | 13:32
Updated At:11 Sep, 2024 | 14:31
Rejected At:
▼CVE Numbering Authority (CNA)
Traffic being bypassed by ZCC by configuring synthetic IP range as local network

An authentication bypass by spoofing of a device with a synthetic IP address is possible in Zscaler Client Connector on Windows, allowing a functionality bypass. This issue affects Client Connector: before 3.9.

Affected Products
Vendor
Zscaler, Inc.Zscaler
Product
Client Connector
Default Status
unaffected
Versions
Affected
  • From 0 before 3.9 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-290CWE-290 Authentication Bypass by Spoofing
Type: CWE
CWE ID: CWE-290
Description: CWE-290 Authentication Bypass by Spoofing
Metrics
VersionBase scoreBase severityVector
3.15.9MEDIUM
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-554CAPEC-554 Functionality Bypass
CAPEC ID: CAPEC-554
Description: CAPEC-554 Functionality Bypass
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Regions Bank Red Team
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023
N/A
Hyperlink: https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023
x_transferred
Hyperlink: https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023
Resource:
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@zscaler.com
Published At:23 Oct, 2023 | 14:15
Updated At:27 Oct, 2023 | 00:42

An authentication bypass by spoofing of a device with a synthetic IP address is possible in Zscaler Client Connector on Windows, allowing a functionality bypass. This issue affects Client Connector: before 3.9.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Secondary3.15.9MEDIUM
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
CPE Matches
Zscaler, Inc.
zscaler
>>client_connector>>Versions before 3.9(exclusive)
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*
Weaknesses
CWE IDTypeSource
CWE-290Primarynvd@nist.gov
CWE-290Secondarycve@zscaler.com
CWE ID: CWE-290
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-290
Type: Secondary
Source: cve@zscaler.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023cve@zscaler.com
Release Notes
Hyperlink: https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023
Source: cve@zscaler.com
Resource:
Release Notes

Change History

0
Information is not available yet

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