FortiWLC: CVSS (Max): 6.6

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.1474
         FortiWLC - Access of Uninitialized Pointer vulnerability
                               6 April 2022

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           FortiWLC
Publisher:         FortiGuard
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-26093  

Original Bulletin: 
   https://fortiguard.fortinet.com/psirt/FG-IR-21-002

Comment: CVSS (Max):  6.6 CVE-2021-26093 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H)
         CVSS Source: FortiGuard
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H

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FortiWLC - Access of Uninitialized Pointer vulnerability

IR Number    : FG-IR-21-002
Date         : Apr 5, 2022
Risk         : 3/5
CVSSv3 Score : 6.6
Impact       : Denial of service
CVE ID       : CVE-2021-26093
Affected Products: FortiWLC: 8.6.2, 8.6.1, 8.6.0, 8.5.5, 8.5.4, 8.5.3, 8.5.2, 8.5.1,
 8.5.0, 8.4.8, 8.4.7, 8.4.6, 8.4.5, 8.4.4, 8.4.2, 8.4.1, 8.4.0, 8.3.3, 8.3.2, 8.3.1,
 8.3.0, 8.2.7, 8.2.6, 8.2.5, 8.2.4, 8.1.3, 8.1.2, 8.0.6

Summary

An access of uninitialized pointer (CWE-824) vulnerability in FortiWLC may
allow a local and authenticated attacker to crash the access point being
managed by the controller by executing a crafted CLI command.

Affected Products

At least
FortiWLC version 8.0.6
FortiWLC version 8.1.2 through 8.1.3
FortiWLC version 8.2.4 through 8.2.7
FortiWLC version 8.3.0 through 8.3.3
FortiWLC version 8.4.0 through 8.4.8
FortiWLC version 8.5.0 through 8.5.5
FortiWLC version 8.6.0 through 8.6.2

Solutions

Please upgrade to FortiWLC version 8.6.3 or above.

Acknowledgement

Fortinet is pleased to thank a FortiWLC customer for bringing this issue to our
attention.

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