Vulnerability Details CVE-2021-26109
An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.013
EPSS Ranking 79.1%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 7.5
References
Products affected by CVE-2021-26109
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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:6.0.2
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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:7.0.0