High severity · published Feb 16, 2021
CVE-2020-11635
The Zscaler Client Connector prior to 3.1.0 did not sufficiently validate RPC clients, which allows a local adversary to execute code with system privileges or perform limited…
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
The Zscaler Client Connector prior to 3.1.0 did not sufficiently validate RPC clients, which allows a local adversary to execute code with system privileges or perform limited actions for which they did not have privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Client Connector · Zscaler
before 3.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11635
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11635
Vendor Advisory
https://trust.zscaler.com/posts/7316
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