Zscaler Client Connector up to 1.3 Login redirect

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Zscaler Client Connector up to 1.3. This issue affects some unknown processing of the component Login. Executing a manipulation can lead to redirect. This vulnerability is tracked as CVE-2023-28799. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Zscaler Client Connector up to 1.3. This vulnerability affects some unknown functionality of the component Login. The manipulation with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect integrity. CVE summarizes:

A URL parameter during login flow was vulnerable to injection. An attacker could insert a malicious domain in this parameter, which would redirect the user after auth and send the authorization token to the redirected domain. 

The weakness was disclosed 06/23/2023. The advisory is shared for download at help.zscaler.com. This vulnerability was named CVE-2023-28799 since 03/23/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1204.001.

Upgrading to version 1.4 eliminates this vulnerability. The upgrade is hosted for download at help.zscaler.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (Zscaler, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Client Connector 1.4

Timelineinfo

03/23/2023 🔍
06/23/2023 +91 days 🔍
06/23/2023 +0 days 🔍
07/17/2023 +24 days 🔍

Sourcesinfo

Advisory: help.zscaler.com
Status: Confirmed

CVE: CVE-2023-28799 (🔍)
GCVE (CVE): GCVE-0-2023-28799
GCVE (VulDB): GCVE-100-232192

Entryinfo

Created: 06/23/2023 08:12
Updated: 07/17/2023 12:03
Changes: 06/23/2023 08:12 (50), 07/17/2023 12:03 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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