Vulnerability Details CVE-2021-36173
A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 70.7%
CVSS Severity
CVSS v3 Score 8.0
CVSS v2 Score 6.8
Products affected by CVE-2021-36173
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cpe:2.3:h:fortinet:fortigate-1100e:-
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cpe:2.3:h:fortinet:fortigate-200f:-
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cpe:2.3:h:fortinet:fortigate-2600f:-
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cpe:2.3:h:fortinet:fortigate-3500f:-
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cpe:2.3:h:fortinet:fortigate-400e:-
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cpe:2.3:h:fortinet:fortigate-600e:-
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cpe:2.3:h:fortinet:fortigate_1800f:-
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cpe:2.3:h:fortinet:fortigate_2200e:-
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cpe:2.3:h:fortinet:fortigate_3300e:-
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cpe:2.3:h:fortinet:fortigate_3600e:-
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cpe:2.3:h:fortinet:fortigate_40f:-
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cpe:2.3:h:fortinet:fortigate_60f:-
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cpe:2.3:h:fortinet:fortigate_7121f:-
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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:6.0.2
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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:6.2.2
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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:6.4.2
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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:7.0.0
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cpe:2.3:o:fortinet:fortios:7.0.1