CVE-2020-11634

CVSS V2 Medium 6.9 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2020-11634
  • Assigner
  • cve@zscaler.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-15T20:15:09
  • Last Modified Date
  • 2021-07-27T15:39:40
Weakness Enumerations
CWE URL
CWE-427 http://cwe.mitre.org/data/definitions/427.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:* 1 OR 2.1.2.105
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2020?applicable_category=Windows&applicable_version=2.1.2.105 Release Notes Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-11634
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11634
History
Created Old Value New Value Data Type Notes
2022-05-10 15:52:49 Added to TrackCVE
2022-12-05 06:17:15 2021-07-15T20:15Z 2021-07-15T20:15:09 CVE Published Date updated
2022-12-05 06:17:15 2021-07-27T15:39:40 CVE Modified Date updated
2022-12-05 06:17:16 Analyzed Vulnerability Status updated