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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2382
              FortiWAN Local Increase Privilege Vulnerability
                               14 July 2021

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

Product:           FortiWAN
Publisher:         Fortinet
Operating System:  Network Appliance
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-26115  

Original Bulletin: 
   https://www.fortiguard.com/psirt/FG-IR-21-069

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FortiWAN  - OS command injection leads to privilege escalation

IR Number    : FG-IR-21-069
Date         : Jul 07, 2021
Risk         : 4/5
CVSSv3 Score : 7.6
Impact       : Privilege escalation
CVE ID       : CVE-2021-26115
Affected Products: FortiWAN: 4.5.7, 4.5.6, 4.5.5, 4.5.4, 4.5.3, 4.5.2, 4.5.1, 4.5.0, 4.4.1, 4.4.0, 4.3.1, 4.3.0, 4.2.7, 4.2.6, 4.2.5, 4.2.2, 4.2.1, 4.1.3, 4.1.2, 4.1.1, 4.0.6, 4.0.5, 4.0.4, 4.0.3, 4.0.2, 4.0.1, 4.0.0

Summary

An OS command injection (CWE-78) vulnerability in FortiWAN Command Line
Interface may allow a local, authenticated and unprivileged attacker to
escalate their privileges to root via executing a specially-crafted command.

Impact

Privilege escalation

Affected Products

FortiWAN versions 4.5.7 and below.

Solutions

Please upgrade to FortiWAN version 4.5.8 or above.

Acknowledgement

Fortinet is pleased to thank Resecurity, Inc for bringing this issue to our
attention under responsible disclosure.

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