Stack-Based Buffer Overflow Vulnerability in Zscaler Client Connector for Windows
CVE-2020-11633

9.8CRITICAL

Key Information:

Vendor

Zscaler

Status
Client Connector
Vendor
CVE Published:
15 July 2021

What is CVE-2020-11633?

The Zscaler Client Connector for Windows versions prior to 2.1.2.74 exhibits a stack-based buffer overflow vulnerability when establishing connections to misconfigured TLS servers. This flaw could enable an attacker to execute arbitrary code with system privileges, posing a significant risk to the integrity and security of affected systems.

References

https://help.zscaler.com/zscaler-client-connector/client-...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.