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Medium severity4.4NVD Advisory· Published Jul 12, 2021· Updated Jun 17, 2026

CVE-2021-26099

CVE-2021-26099

Description

Missing cryptographic steps in the Identity-Based Encryption service of FortiMail before 7.0.0 may allow an attacker who comes in possession of the encrypted master keys to compromise their confidentiality by observing a few invariant properties of the ciphertext.

Affected products

3
  • Fortinet/Fortimail3 versions
    cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*range: >=5.0,<7.0.0
    • (no CPE)range: <7.0.0
    • (no CPE)range: FortiMail before 7.0.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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