Vulnerability Details CVE-2021-26091
A use of a cryptographically weak pseudo-random number generator vulnerability in the authenticator of the Identity Based Encryption service of FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to infer parts of users authentication tokens and reset their credentials.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 50.4%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2021-26091
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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