Vulnerability Details CVE-2022-26122
An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engines version 6.2.168 and below and version 6.4.274 and below may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.1%
CVSS Severity
CVSS v3 Score 4.7
Products affected by CVE-2022-26122
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cpe:2.3:a:fortinet:antivirus_engine:0.4.23
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cpe:2.3:a:fortinet:antivirus_engine:2.0.49
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cpe:2.3:a:fortinet:antivirus_engine:2.0.60
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cpe:2.3:a:fortinet:antivirus_engine:4.4.54
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cpe:2.3:a:fortinet:antivirus_engine:6.137
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cpe:2.3:a:fortinet:antivirus_engine:6.142
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cpe:2.3:a:fortinet:antivirus_engine:6.144
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cpe:2.3:a:fortinet:antivirus_engine:6.145
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cpe:2.3:a:fortinet:antivirus_engine:6.156
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cpe:2.3:a:fortinet:antivirus_engine:6.157
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cpe:2.3:a:fortinet:antivirus_engine:6.243
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cpe:2.3:a:fortinet:antivirus_engine:6.252
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cpe:2.3:a:fortinet:antivirus_engine:6.253
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cpe:2.3:a:fortinet:antivirus_engine:6.33
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cpe:2.3:a:fortinet:fortimail:4.1.0
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cpe:2.3:a:fortinet:fortimail:6.0.0
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cpe:2.3:a:fortinet:fortimail:6.0.1
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cpe:2.3:a:fortinet:fortimail:6.0.10
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cpe:2.3:a:fortinet:fortimail:6.0.11
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cpe:2.3:a:fortinet:fortimail:6.0.12
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cpe:2.3:a:fortinet:fortimail:6.0.2
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cpe:2.3:a:fortinet:fortimail:6.0.3
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cpe:2.3:a:fortinet:fortimail:6.0.4
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cpe:2.3:a:fortinet:fortimail:6.0.5
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cpe:2.3:a:fortinet:fortimail:6.0.6
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cpe:2.3:a:fortinet:fortimail:6.0.7
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cpe:2.3:a:fortinet:fortimail:6.0.8
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cpe:2.3:a:fortinet:fortimail:6.0.9
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cpe:2.3:a:fortinet:fortimail:6.2.0
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cpe:2.3:a:fortinet:fortimail:6.2.1
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cpe:2.3:a:fortinet:fortimail:6.2.2
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cpe:2.3:a:fortinet:fortimail:6.2.3
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cpe:2.3:a:fortinet:fortimail:6.2.4
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cpe:2.3:a:fortinet:fortimail:6.2.5
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cpe:2.3:a:fortinet:fortimail:6.2.6
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cpe:2.3:a:fortinet:fortimail:6.2.7
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cpe:2.3:a:fortinet:fortimail:6.2.8
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cpe:2.3:a:fortinet:fortimail:6.2.9
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cpe:2.3:a:fortinet:fortimail:6.4.0
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cpe:2.3:a:fortinet:fortimail:6.4.1
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cpe:2.3:a:fortinet:fortimail:6.4.2
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cpe:2.3:a:fortinet:fortimail:6.4.3
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cpe:2.3:a:fortinet:fortimail:6.4.4
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cpe:2.3:a:fortinet:fortimail:6.4.5
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cpe:2.3:a:fortinet:fortimail:6.4.6
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cpe:2.3:a:fortinet:fortimail:7.0.0
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cpe:2.3:a:fortinet:fortimail:7.0.1
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cpe:2.3:a:fortinet:fortimail:7.0.2
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cpe:2.3:o:fortinet:fortios:6.0.0
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cpe:2.3:o:fortinet:fortios:6.0.1
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cpe:2.3:o:fortinet:fortios:6.0.10
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cpe:2.3:o:fortinet:fortios:6.0.11
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cpe:2.3:o:fortinet:fortios:6.0.12
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cpe:2.3:o:fortinet:fortios:6.0.13
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cpe:2.3:o:fortinet:fortios:6.0.14
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cpe:2.3:o:fortinet:fortios:6.0.15
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cpe:2.3:o:fortinet:fortios:6.0.2
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cpe:2.3:o:fortinet:fortios:6.0.3
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cpe:2.3:o:fortinet:fortios:6.0.4
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cpe:2.3:o:fortinet:fortios:6.0.5
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cpe:2.3:o:fortinet:fortios:6.0.6
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cpe:2.3:o:fortinet:fortios:6.0.7
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cpe:2.3:o:fortinet:fortios:6.0.8
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cpe:2.3:o:fortinet:fortios:6.0.9
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cpe:2.3:o:fortinet:fortios:6.2.0
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cpe:2.3:o:fortinet:fortios:6.2.1
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cpe:2.3:o:fortinet:fortios:6.2.10
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cpe:2.3:o:fortinet:fortios:6.2.11
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cpe:2.3:o:fortinet:fortios:6.2.2
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cpe:2.3:o:fortinet:fortios:6.2.3
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cpe:2.3:o:fortinet:fortios:6.2.4
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cpe:2.3:o:fortinet:fortios:6.2.5
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cpe:2.3:o:fortinet:fortios:6.2.6
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cpe:2.3:o:fortinet:fortios:6.2.7
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cpe:2.3:o:fortinet:fortios:6.2.8
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cpe:2.3:o:fortinet:fortios:6.2.9
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cpe:2.3:o:fortinet:fortios:6.4.0
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cpe:2.3:o:fortinet:fortios:6.4.1
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cpe:2.3:o:fortinet:fortios:6.4.10
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cpe:2.3:o:fortinet:fortios:6.4.2
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cpe:2.3:o:fortinet:fortios:6.4.3
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cpe:2.3:o:fortinet:fortios:6.4.4
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cpe:2.3:o:fortinet:fortios:6.4.5
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cpe:2.3:o:fortinet:fortios:6.4.6
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cpe:2.3:o:fortinet:fortios:6.4.7
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cpe:2.3:o:fortinet:fortios:6.4.8
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cpe:2.3:o:fortinet:fortios:6.4.9
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cpe:2.3:o:fortinet:fortios:7.0.0
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cpe:2.3:o:fortinet:fortios:7.0.1
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cpe:2.3:o:fortinet:fortios:7.0.2
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cpe:2.3:o:fortinet:fortios:7.0.3
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cpe:2.3:o:fortinet:fortios:7.0.4
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cpe:2.3:o:fortinet:fortios:7.0.5
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cpe:2.3:o:fortinet:fortios:7.0.6
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cpe:2.3:o:fortinet:fortios:7.2.0