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ZscalerCVELIST:CVE-2023-28804

HistoryOct 23, 2023 - 1:33 p.m.

CVE-2023-28804 Linux ZCC allows unsigned updates, allowing elevated Code Execution

2023-10-2313:33:19

CWE-347

Zscaler

www.cve.org

cve-2023-28804

improper verification

cryptographic signature

zscaler client connector

linux

elevated code execution

vulnerability

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

8.4 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.0%

JSON

An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing binaries.This issue affects Linux Client Connector: before 1.4.0.105

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Client Connector",
    "vendor": "Zscaler",
    "versions": [
      {
        "lessThan": "1.4.0.105",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

References

help.zscaler.com/client-connector/client-connector-app-release-summary-2023

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

8.4 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.0%

JSON

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