CVE-2020-11633: Buffer Overflow
First published: Thu Jul 15 2021(Updated: )
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.
Credit: cve@zscaler.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zscaler Client Connector for Windows | <2.1.2.81 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is CVE-2020-11633?
CVE-2020-11633 is a vulnerability in the Zscaler Client Connector for Windows, allowing an attacker to execute arbitrary code with system privileges.
How severe is CVE-2020-11633?
CVE-2020-11633 has a severity score of 9.8 out of 10, indicating a critical vulnerability.
How does CVE-2020-11633 work?
CVE-2020-11633 exploits a stack-based buffer overflow in the Zscaler Client Connector for Windows when connecting to misconfigured TLS servers.
Which versions of Zscaler Client Connector for Windows are affected by CVE-2020-11633?
Zscaler Client Connector for Windows versions up to (excluding) 2.1.2.81 are affected by CVE-2020-11633.
How can I fix CVE-2020-11633?
To fix CVE-2020-11633, it is recommended to update Zscaler Client Connector for Windows to version 2.1.2.81 or higher.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/zscaler
- canonical/zscaler client connector for windows