High severity · published Jul 15, 2021
CVE-2020-11634
The Zscaler Client Connector for Windows prior to 2.1.2.105 had a DLL hijacking vulnerability caused due to the configuration of OpenSSL
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
The Zscaler Client Connector for Windows prior to 2.1.2.105 had a DLL hijacking vulnerability caused due to the configuration of OpenSSL. A local adversary may be able to execute arbitrary code in the SYSTEM context.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Client Connector · Zscaler
before 2.1.2.105 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11634
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11634
Release Notes
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2020?applicable_category=Windows&applicable_version=2.1.2.105
More from Client Connector
9.8
CVE-2024-23483
An Improper Input Validation vulnerability in Zscaler Client Connector on MacOS allows OS Command Injection. This issue affects Zscaler Client Connector on MacOS <4.2
9.8
CVE-2024-23459
An Improper Link Resolution Before File Access ('Link Following') vulnerability in Zscaler Client Connector on Mac allows a system file to be overwritten.This issue affects…
9.8
CVE-2023-28798
An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution
9.8
CVE-2024-23480
A fallback mechanism in code sign checking on macOS may allow arbitrary code execution
9.8
CVE-2023-28805
An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation