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AUSCERT External Security Bulletin Redistribution
FortiAnalyzer - XSS vulnerability observed in the Column
settings of LogView
6 October 2021
AusCERT Security Bulletin Summary
Operating System: Network Appliance
Impact/Access: Cross-site Scripting -- Existing Account
CVE Names: CVE-2021-24021
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FortiAnalyzer - XSS vulnerability observed in the Column settings of LogView
IR Number : FG-IR-20-098
Date : Oct 5, 2021
Risk : 3/5
CVSSv3 Score : 4.2
Impact : Unauthorized code execution
CVE ID : CVE-2021-24021
Affected Products: FortiAnalyzer: 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.10, 6.0.1, 6.0.0
An improper neutralization of input vulnerability [CWE-79] in FortiAnalyzer may
allow a remote authenticated attacker to perform a stored cross site scripting
attack (XSS) via the column settings of Logview in FortiAnalyzer, should the
attacker be able to obtain that POST request, via other, hypothetical attacks.
FortiAnalyzer version 6.4.3 and below.
FortiAnalyzer version 6.2.7 and below.
FortiAnalyzer version 6.0.x.
Please upgrade to FortiAnalyzer version 6.4.4 or above.
Please upgrade to FortiAnalyzer version 6.2.8 or above.
Disable Log View/Fortiview access.
config system admin profile
edit set log-viewer none
Fortinet is pleased to thank Frank Cozijnsen of the KPN REDteam for reporting
this vulnerability under responsible disclosure.
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