Medium severity · published Jun 22, 2023
CVE-2023-28799
A URL parameter during login flow was vulnerable to injection
6.1
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Client Connector · Zscaler
before 1.4; before 1.9.3; before 1.10.1; before 1.10.2; before 3.7; before 3.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28799
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28799
Release Notes
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux&applicable_version=1.4&deployment_date=2022-10-31&id=1420246
Release Notes
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android&applicable_version=1.10.2&deployment_date=2023-03-09&id=1447706
Release Notes
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS&applicable_version=1.10.1&deployment_date=2023-03-10&id=1447771
Release Notes
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS&applicable_version=1.9.3&deployment_date=2023-03-03&id=1447071
Release Notes
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS&applicable_version=3.9&deployment_date=2023-01-25&id=1443546
Release Notes
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows&applicable_version=3.7&deployment_date=2021-11-26&id=1386541
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