CVE-2020-11633

Description

The Zscaler Client Connector for Windows prior to 2.1.2.74 had a stack based buffer overflow when connecting to misconfigured TLS servers. An adversary would potentially have been able to execute arbitrary code with system privileges.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.07% Top 25%
Vendor Advisory zscaler.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2020?applicable_category=Windows&applicable_version=2.1.2.81 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-11633?
CVE-2020-11633 has been scored as a critical severity vulnerability.
How to fix CVE-2020-11633?
To fix CVE-2020-11633, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-11633 being actively exploited in the wild?
It is possible that CVE-2020-11633 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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